Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, diep tinh
tranh cua » doanh cua, manh cua
trung cua » truong cua, trung tuan, trung cap
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
ho bien » pho bien, hoa bien, so bien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho bien tinh - hanh ((tranh cua) or (trung cua)) nhung ((cong dan) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - hanh ((tranh cua) OR (trung cua)) nhung ((cong dan) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - hanh ((tranh cua) or (trung cua)) nhung ((cong dan) or (cong tan)) toan cau*.