Perhaps you should try some spelling variations:
nhanh luong » nhanh chuong, nhanh quang, nhanh chong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nang luong » nang song
quan nhung » qua nhung, cua nhung, luan chung
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

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