Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
canh luan » doanh luan, tranh luan, chinh luan
hung cong » hung cuong, phung cong, dung cong
tan hang » tan khang, ban hang, van hang
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - canh luan van ((hung cong) OR (nhung cong)) tan hang dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - canh luan van ((hung cong) OR (nhung cong)) tan hang dau".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh luan van ((hung cong) OR (nhung cong)) tan hang dau*.