Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
theo chu » theo chieu, cho chu, chao chu
anh tang » anh bang, anh dang, anh nang
duy hung » duc hung, duy dung, huy hung
duy tung » duy tuong, duc tung, duy dung
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 hung) 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 hung) OR (duy tung)) cong thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (theo chu)) xanh - anh tang ((duy hung) or (duy tung)) cong thanh toan ban*.