Perhaps you should try some spelling variations:
phuong hanh » phuong thanh, phuong anh, phuong danh
luan trong » quan trong, luat trong, luan tuong
chuong han » thuong han, chung han, chung nhan
dang luan » dung luan, tang luan, hang luan
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh dang » anh dong, anh dung, anh bang
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 dang luan trong ((chuong han) OR (phuong hanh)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - anh dang luan trong ((chuong han) OR (phuong hanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - anh dang luan trong ((chuong han) OR (phuong hanh)) toan cau*.