Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trien kinh » tri kinh, trinh kinh, trien dich
tien manh » tien anh, tien thanh, tieng anh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang ban, van ban

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

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