Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, diep tinh
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than sao » than so, than vao, thanh san
than cap » khan cap, thanh lap, thanh cac
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 tang cua thong ((cong dan) or (cong tan)) ((than sao) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - hanh tang cua thong ((cong dan) OR (cong tan)) ((than sao) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - hanh tang cua thong ((cong dan) or (cong tan)) ((than sao) or (than cap))*.