Perhaps you should try some spelling variations:
kieu tinh » trieu tinh, bien tinh, dien tinh
lieu tinh » trieu tinh, bien tinh
hanh tran » hanh trang, thanh tran, hanh tram
van trong » van truong, vang trong, ban trong
tran van » luan van
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((kieu tinh) or (diep tinh))) or (lieu tinh)) - hanh tran van trong cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((kieu tinh) OR (diep tinh))) OR (lieu tinh)) - hanh tran van trong cong san toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((((kieu tinh) or (diep tinh))) or (lieu tinh)) - hanh tran van trong cong san toan cao*.