Perhaps you should try some spelling variations:
tranh thuc » trinh thuc, trang thuc, thanh thuy
tieu dung » dieu duong, tin dung, viet dung
thuc hang » thuc hanh, thu hang, phuc hang
cong van » cong vang, cong san, cong va
cong tan » cong tac, cong san, cong thanh
song van » hoang van, trong van, duong van
tuan ban » tuan bang, toan ban, luan 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 dung - canh tranh thuc hang ((((cong van) or (cong tan))) or (song van)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu dung - canh tranh thuc hang ((((cong van) OR (cong tan))) OR (song van)) tuan ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu dung - canh tranh thuc hang ((((cong van) or (cong tan))) or (song van)) tuan ban*.