Perhaps you should try some spelling variations:
dong thanh » truong thanh
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh nang » anh nang, ganh nang, hanh mang
nang quan » ban quan, nang suat
quan dung » quang dung, quan duong, qua dung
hoc tieu » hoc thieu, hoc dieu, hoc sieu
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 nang quan 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 nang quan dung ((cong san) OR (dong thanh)) ((tran ban) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc tieu tinh - hanh nang quan dung ((cong san) or (dong thanh)) ((tran ban) or (toan ban))*.