Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
hoa thiet » hoc thiet, toan thiet, hoa viet
tranh cua » doanh cua, manh cua
cua nhung » va nhung
chong tan » cong tan, chong gian, chong tham
ho chieu » theo chieu, hoc thieu, doi chieu
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoa thiet) or (ho chieu)) tach - canh tranh cua nhung chong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoa thiet) OR (ho chieu)) tach - canh tranh cua nhung chong tan van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoa thiet) or (ho chieu)) tach - canh tranh cua nhung chong tan van ban*.