Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
hoc chiet » hoc thiet, hoc nhiet, hoc hien
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
ap dung » xay dung, van dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chiet tach - ((hanh trung) OR (manh trung)) ap dung cong dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chiet tach - ((hanh trung) OR (manh trung)) ap dung cong dan toan cau*".