Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
tran trong » gian trong, quan trong, tran hong
tieu xanh » tieu danh, chieu xanh, dieu hanh
dung cong » dung trong
cong tac » cong ty
tac dong » tac dung, tac trong, ha dong
dong ban » dong bang, dong san, dong bac

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 trong) or (tran trong)) su dung cong tac dong ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((thanh trong) OR (tran trong)) su dung cong tac dong ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((thanh trong) or (tran trong)) su dung cong tac dong ban*.