Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » van nhuong, va nhung, van hung
tran van » luan van
cong dan » cong san, cong tan, huong dan
toan ban » van ban
toan cao » toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (trieu tinh)) - hanh tran van nhung cong dan ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (trieu tinh)) - hanh tran van nhung cong dan ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (trieu tinh)) - hanh tran van nhung cong dan ((toan ban) or (toan cao))*.