Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, diep tinh
trang cua » tranh cua, tang cua, trung cua
tang luan » dung luan
cong dan » cong san, cong tan, huong dan
toan cau » toan ban, toan tap, toan tai
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 ((trang cua) or (tang luan)) trong cong dan ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - hanh ((trang cua) OR (tang luan)) trong cong dan ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho bien tinh - hanh ((trang cua) or (tang luan)) trong cong dan ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - hanh ((trang cua) or (tang luan)) trong cong dan ((toan cau) OR (toan cao))*.