Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh dang, anh nang, anh sang
anh bang » anh hoang, anh quang, tinh bang
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - ((anh tang) or (anh bang)) luan dung cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((anh tang) OR (anh bang)) luan dung cong tac than cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((anh tang) or (anh bang)) luan dung cong tac than cap*.