Perhaps you should try some spelling variations:
thanh tung » thanh cong
cap thuong » chap thuong, ca thuong, cao thuong
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
tung cap » trung cap, cung cap, thong cap
cong tac » cong ty
cong tan » cong san, cong thanh, cong ty
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - thanh tung cap thuong ((cong tac) or (cong tan)) ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh tung cap thuong ((cong tac) OR (cong tan)) ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh tung cap thuong ((cong tac) or (cong tan)) ((toan tai) or (toan cao))*.