Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
canh doanh » hanh doanh, chinh doanh, kinh doanh
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
ho chieu » theo chieu, hoc thieu, doi chieu
phan lap » phan dau

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 (theo tieu)) sang - ((canh doanh) OR (doanh doanh)) luan nhung cong luan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) sang - ((canh doanh) OR (doanh doanh)) luan nhung cong luan phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo tieu)) sang - ((canh doanh) OR (doanh doanh)) luan nhung cong luan phan lap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) sang - ((canh doanh) OR (doanh doanh)) luan nhung cong luan phan lap*.