Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
nhung cong » thong cong, hang cong, nhung don
canh tran » canh tranh, hanh trang, banh trang
dung cong » dung trong
doan phan » doanh phan, toan phan, dan phan
ho chieu » hoc thieu, doi chieu, mot chieu
tran van » luan van
phan cac » nhan cach, phan dau, phan lap

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 chieu)) xanh - canh tran van ((nhung cong) or (dung cong)) doan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - canh tran van ((nhung cong) OR (dung cong)) doan phan cac*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - canh tran van ((nhung cong) or (dung cong)) doan phan cac*".