Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
cong thanh » dong thanh, cong trinh, cong tan
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
anh tang » anh bang, anh dang, anh nang
tang duc » dang duc, tang du, lang duc
duc dung » duc hung, duc cuong, duc trung
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: ((theo tieu) or (theo chu)) xanh - anh tang duc dung cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (theo chu)) xanh - anh tang duc dung cong thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (theo chu)) xanh - anh tang duc dung cong thanh toan ban*.