Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
bien tinh » bi tinh, yen tinh, diep tinh
trinh cua » trinh luat, trinh quan, trinh luan
tinh cua » sinh cua, tinh chat, tranh cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 ((trinh cua) or (tinh cua)) nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - hanh ((trinh cua) OR (tinh cua)) nhung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - hanh ((trinh cua) or (tinh cua)) nhung cong dan toan cao*.