Perhaps you should try some spelling variations:
chiet tach » chieu sach
chong cong » cong cong, thong cong, cuong cong
hieu lang » chieu sang, hieu quang, nhieu tang
canh manh » lanh manh, canh tranh, cach mang
cua chong » cua cong, cua chung, cua khong
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chiet tach) or (hieu lang)) - canh manh cua chong cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (hieu lang)) - canh manh cua chong cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (hieu lang)) - canh manh cua chong cong tan toan ban*.