Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
tran trong » quan trong, tran hong
tieu xanh » tieu danh, chieu xanh, dieu hanh
dung cong » dung trong
cong tac » cong ty
tac vang » cac van, tac dung, tac dong
vang ban » van ban, hang ban, nang ban

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) OR (gian trong)))) su dung cong tac vang ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((thanh trong) OR (((tran trong) OR (gian trong)))) su dung cong tac vang ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((thanh trong) or (((tran trong) OR (gian trong)))) su dung cong tac vang ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((thanh trong) or (((tran trong) OR (gian trong)))) su dung cong tac vang ban*.