Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh tai » trinh toan, trinh tu, trinh han
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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 chieu sach - hanh ((trinh thuat) or (trinh tai)) nhung cong van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trinh thuat) OR (trinh tai)) nhung cong van toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trinh thuat) or (trinh tai)) nhung cong van toan tap*.