Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
van giang » manh giang, tran giang, dan gian
ho chieu » theo chieu, hoc thieu, doi chieu
cong van » cong vang, cong san, song van
giang tu » giang thu, gian tu, giang thuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc hien)) sach - canh tranh cua nhung cong van giang tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc hien)) sach - canh tranh cua nhung cong van giang tu.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc hien)) sach - canh tranh cua nhung cong van giang tu*.