Perhaps you should try some spelling variations:
dong thanh » truong thanh
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh tang » hanh trang, anh tang, hanh mang
hoc tieu » hoc thieu, hoc dieu, hoc sieu
tang qua » tang quan, tang cua, tang quy
qua dung » quang dung, su dung, qua song
cong san » cong tac
tran ban » tranh ban, tran van, tran bai
toan ban » van 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 tieu tinh - hanh tang qua dung ((cong san) or (dong thanh)) ((tran ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieu tinh - hanh tang qua dung ((cong san) OR (dong thanh)) ((tran ban) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc tieu tinh - hanh tang qua dung ((cong san) or (dong thanh)) ((tran ban) or (toan ban))*.