Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
thanh tran » thanh trang, thanh toan, thanh tra
hien xanh » hien hanh, hien nhanh, chieu xanh
tuan hung » tran hung, luan hung, tuan dung
cong san » cong tac
toan cao » toan tap
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: hoc hien xanh - thanh tran ((thuat nhung) or (tuan hung)) cong san ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh tran ((thuat nhung) OR (tuan hung)) cong san ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh tran ((thuat nhung) or (tuan hung)) cong san ((toan cao) or (toan ban))*.