Perhaps you should try some spelling variations:
tang luan » dung luan
cong cong » cong dong, trong cong, dung cong
theo chu » theo chieu, cho chu, chao chu
cong dan » cong san, cong tan, huong dan
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
chu van » cuu van, chu han
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu van - hanh ((tang luan) or (ban cua)) cong cong dan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu van - hanh ((tang luan) OR (ban cua)) cong cong dan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo chu van - hanh ((tang luan) or (ban cua)) cong cong dan ((toan cau) or (toan cao))*.