Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
canh thanh » canh tranh, danh thanh, anh thanh
hoang cong » hang cong, hoang long, hoang vuong
thanh van » thanh san, thanh toan, thanh phan
van hoang » van hoan, quan hoang, tran hoang
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 ((chieu sach) or (chinh sach)) - canh thanh van hoang cong tac ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - canh thanh van hoang cong tac ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - canh thanh van hoang cong tac ((toan cau) or (toan tap))*.