Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
cong thanh » dong thanh, cong trinh, cong tan
theo chu » theo chieu, cho chu, chao chu
anh tang » anh bang, anh dang, anh nang
duy dung » duc dung, duy hung, duy tuong
duy tung » duy tuong, duc tung, duy hung
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 ((duy dung) OR (duy tung)) 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 ((duy dung) OR (duy tung)) cong thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (theo chu)) xanh - anh tang ((duy dung) OR (duy tung)) cong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (theo chu)) xanh - anh tang ((duy dung) OR (duy tung)) cong thanh toan ban*.