Perhaps you should try some spelling variations:
trien nganh » trien nhan, tin nganh, trien doanh
vien nganh » vien thanh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((trien nganh) or (vien nganh)) - canh tranh cua hang cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((trien nganh) OR (vien nganh)) - canh tranh cua hang cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: toc ((trien nganh) or (vien nganh)) - canh tranh cua hang cong dan van ban*.