Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, theo chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
luan phan » luan van, luan hoan
ho chieu » theo chieu, hoc thieu, doi chieu
van phan » van phong, van thanh, 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: ((ho chieu) or (thi chieu)) xanh - canh tranh cua nhung cong ((van phan) OR (luan phan)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chieu)) xanh - canh tranh cua nhung cong ((van phan) OR (luan phan)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (thi chieu)) xanh - canh tranh cua nhung cong ((van phan) OR (luan phan)) tu".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chieu)) xanh - canh tranh cua nhung cong ((van phan) OR (luan phan)) tu*.