Perhaps you should try some spelling variations:
luong quan » thong quan, duong qua
bien tinh » bi tinh, yen tinh, diep tinh
tong cong » trong cong, cong cong, dung cong
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
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 ((luong quan) or (tang cua)) tong cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - hanh ((luong quan) OR (tang cua)) tong cong dan than cap.
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - hanh ((luong quan) or (tang cua)) tong cong dan than cap*.