Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
danh thanh » dinh thanh, dang thanh, nhanh thanh
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, mot chieu
san bang » can bang, san sang, gan bang
toan ban » van ban
can 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: doi chieu tinh - danh thanh ((san bang) or (can ban)) cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - danh thanh ((san bang) OR (can ban)) cong thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - danh thanh ((san bang) or (can ban)) cong thanh toan ban*.