Perhaps you should try some spelling variations:
kieu tinh » trieu tinh, diep tinh, bien tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
thang va » hang va, thong va, thanh va
trang va » tran van, hang va
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 (lieu tinh)) - thanh ((thang va) OR (trang va)) trong cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((kieu tinh) OR (lieu tinh)) - thanh ((thang va) OR (trang va)) trong cong san toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((kieu tinh) or (lieu tinh)) - thanh ((thang va) OR (trang va)) trong cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((kieu tinh) or (lieu tinh)) - thanh ((thang va) OR (trang va)) trong cong san toan cao*.