Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
doc chieu » doc hieu, doi chieu, hoc thieu
trong van » trong cac
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc chieu) or (toc thieu)) xanh - thanh trong van dung cong tac ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc chieu) OR (toc thieu)) xanh - thanh trong van dung cong tac ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((doc chieu) or (toc thieu)) xanh - thanh trong van dung cong tac ((toan cau) or (toan tap))*.