Perhaps you should try some spelling variations:
chieu khong » chu khong, chieu duong, dieu khong
chien chong » thien cong
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tra
tran tuan » tran xuan, tran quang, tran thanh
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, 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: hoc ((((chieu khong) OR (chien chong))) or (chieu sach)) - thanh tran tuan dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu khong) OR (chien chong))) OR (chieu sach)) - thanh tran tuan dung cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((chieu khong) OR (chien chong))) or (chieu sach)) - thanh tran tuan dung cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu khong) OR (chien chong))) or (chieu sach)) - thanh tran tuan dung cong tac toan cau*.