Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh
bien tinh » bi tinh, yen tinh, diep tinh
hanh sinh » hanh tinh, hanh dinh, hinh sinh
sinh cua » manh cua, dinh cuu, sinh va
cua hang » cua dang, cua nhung, cua cong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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 ((lieu tinh) or (bien tinh)) - hanh sinh cua hang ((cong tan) OR (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (bien tinh)) - hanh sinh cua hang ((cong tan) OR (cong san)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((lieu tinh) or (bien tinh)) - hanh sinh cua hang ((cong tan) OR (cong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) or (bien tinh)) - hanh sinh cua hang ((cong tan) OR (cong san)) toan cao*.