Perhaps you should try some spelling variations:
trong chuong » trong thuong, thong chuong, trong chong
trong cuong » trong cong, trong luong, trong tuong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
tang luan » dung luan
dung toan » dung doanh, dung thang, dung thanh
anh tang » anh bang, anh dang, anh nang
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: hoc chinh sach - anh tang luan ((trong cuong) OR (trong chuong)) dung toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - anh tang luan ((trong cuong) OR (trong chuong)) dung toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - anh tang luan ((trong cuong) OR (trong chuong)) dung toan cau*.