Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung dung, thong huong
nhung tuong » nhung phuong, hung vuong, nhung dung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hanh luan » khanh luan, hang luan, hanh luat
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 - hanh luan van ((((nhung tuong) OR (nhung huong))) or (nhung cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh luan van ((((nhung tuong) OR (nhung huong))) OR (nhung cong)) dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh luan van ((((nhung tuong) OR (nhung huong))) or (nhung cong)) dan than cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh luan van ((((nhung tuong) OR (nhung huong))) or (nhung cong)) dan than cau*.