The paper presents the current situation of cooperative learning at secondary schools in teaching Statistics by collecting and analyzing survey data from teachers and suggests insights serving as a basis for proposing measures to support teachers to implement cooperative learning effectively, contributing to improving the quality of secondary school education.

This study aims to identify the most common errors in English speaking made by second-year English-major students in a selected university in the north of Vietnam. The study mainly focuses on three main factors that contribute to these errors: pronunciation, grammar, and vocabulary. Moreover, the study offers some recommendations for students to overcome these obstacles.

To describe the current situation of tooth decay and the relationship with knowledge, attitude and practice of dental health care among 12-year-old students in Phu Luong district, Thai Nguyen province, in 2016. To evaluate the effectiveness of interventions to restore early-stage caries damage using Fluor gel among 12-year-old students in the study area in the period 2016-2017.

Describe the current situation and some related factors causing Hospital acquired pneumonia at the Department of Intensive care and Poison control in Thai Binh Provincial General Hospital in the years 2016-2017. Determine the infection rate and antibiotic resistance characteristics of some bacteria causing Hospital-acquired pneumonia in the Department of Intensive care and Poison control in Thai Binh Provincial General Hospital in the years 2016-2017.

Describe the distribution, resting habits, dengue transmission role and insecticide susceptibility of Ae.aegypti and Ae.albopictus in Hanoi, Hai Phong, Thanh Hoa and Ha Tinh, 2016-2017. Analyze the correlation between climatic factors, vector indices, and dengue cases in Hanoi, 2016-2017.

Brief Report: Study on the current situation of services delivery of commune health centres in some regions and associated factors includes subjects and research methods; results; discussion; recommendations.