Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
va thong » va thuong, va phuong, he thong
cong san » cong tac
toan cao » toan ban
toan tap » toan ban
cong va » dong va, cong ha, cong tac

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 xanh - thanh cong va thong cong san ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh cong va thong cong san ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh cong va thong cong san ((toan cao) or (toan tap))*.