Perhaps you should try some spelling variations:
thanh tung » thanh cong
quang dung » quang trung, ung dung, cuong dung
chi danh » chi dan, chi anh, chi dinh
qua dung » su dung, qua song, qua cong
cong dan » cong san, cong tan, huong dan
dan hang » ban hang, van hang, dat hang
hang cac » hang ca, hang cau, bang cac
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi danh - thanh tung ((qua dung) or (quang dung)) cong dan hang cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi danh - thanh tung ((qua dung) OR (quang dung)) cong dan hang cac.
• Adding a wildcard symbol may retrieve word variants: doi chi danh - thanh tung ((qua dung) or (quang dung)) cong dan hang cac*.