Perhaps you should try some spelling variations:
luan trong » quan trong, luan tuong, luong trong
luat trong » suat trong, thuat trong, luat thuong
cong manh » cong danh, duong manh, cong thanh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh dung » anh dong, anh huong, sach dung
cong san » cong tac
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 chu xanh - anh dung ((luan trong) OR (luat trong)) ((cong manh) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - anh dung ((luan trong) OR (luat trong)) ((cong manh) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - anh dung ((luan trong) OR (luat trong)) ((cong manh) or (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - anh dung ((luan trong) OR (luat trong)) ((cong manh) or (cong san)) toan cau*.