Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh chat
thieu tach » thien hach, chiet tach, chieu sach
trinh thuc » trinh tu, trinh thi
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tach - hanh ((trinh thuat) or (trinh thuc)) nhung cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - hanh ((trinh thuat) OR (trinh thuc)) nhung cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - hanh ((trinh thuat) or (trinh thuc)) nhung cong dan toan tap*.