Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
khung cua » chung cua, khung luan, chung cu
dung cong » dung trong
khan cua » nhan cua, than cua, han cua
tac than » tac thanh, tac nhan, bac thanh
tam than » ban than

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 tinh - hanh ((khung cua) or (khan cua)) dung cong ((tac than) or (tam than)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh ((khung cua) OR (khan cua)) dung cong ((tac than) OR (tam than)) cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh ((khung cua) or (khan cua)) dung cong ((tac than) or (tam than)) cap*.