Perhaps you should try some spelling variations:
lieu tinh » diep tinh, bien tinh
hanh tung » thanh tung, manh tung, hanh dung
hanh mang » nhanh mang, hanh trang, nhanh lang
luan hung » luan chung, lan hung, luan ung
hung cong » nhung cong, hung cuong, phung cong
cong san » cong tac
san than » sang than, san thanh, ban than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((trieu tinh) or (lieu tinh)) - ((hanh tung) or (hanh mang)) luan hung cong san than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((trieu tinh) OR (lieu tinh)) - ((hanh tung) OR (hanh mang)) luan hung cong san than cao.
• Adding a wildcard symbol may retrieve word variants: ho ((trieu tinh) or (lieu tinh)) - ((hanh tung) or (hanh mang)) luan hung cong san than cao*.