Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thanh » truong thanh
thanh dung » thanh duong, thanh tung, thanh hung
chua xang » chua nang, chu bang, chua dong
dung cong » dung trong
cong tac » cong ty
tran tap » toan tap, tran tuan, trang tai
tran tan » tran tuan, tran van, tran thanh
chuc » thuc, chu, phuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chua xang) or (chuc nang)) - thanh trung thanh dung cong tac ((tran tap) OR (tran tan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chuc nang)) - thanh trung thanh dung cong tac ((tran tap) OR (tran tan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (chuc nang)) - thanh trung thanh dung cong tac ((tran tap) OR (tran tan))".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chuc nang)) - thanh trung thanh dung cong tac ((tran tap) OR (tran tan))*.