Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
tran thanh » ban thanh, van thanh, quan thanh
tran tuan » tran xuan, tran quang, tranh luan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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 chieu tinh - thanh ((tran tuan) or (tran thanh)) dung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh ((tran tuan) OR (tran thanh)) dung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh ((tran tuan) or (tran thanh)) dung cong tac toan ban*.