Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
dung cong » dung trong
khan cua » nhan cua, than cua, han cua
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cao » toan cao, thai cao, than cap
ha tinh » va tinh, may tinh

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) or (ha tinh)) - hanh ((chung cu) or (khan cua)) dung cong tac than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (ha tinh)) - hanh ((chung cu) OR (khan cua)) dung cong tac than cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (ha tinh)) - hanh ((chung cu) or (khan cua)) dung cong tac than cao*.