Perhaps you should try some spelling variations:
thieu thanh » thien thanh, thi thanh, thu thanh
hoc thieu » toc thieu, hoc hien
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
cong ban » cong bang, cong san, cong tan
ban hang » ngan hang
hang cao » hoang cao, nang cao, hang ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu thanh - canh tranh ((cua dung) or (cua dong)) cong ban hang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu thanh - canh tranh ((cua dung) OR (cua dong)) cong ban hang cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu thanh - canh tranh ((cua dung) or (cua dong)) cong ban hang cao*.