Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
theo chau » theo chu, theo chieu, theo cap
theo phap » thi phap
luan nang » luan van, luan san
van nang » van quang, van ban, van dong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 chau) or (theo phap)) tinh - nhanh mang ((luan nang) OR (van nang)) cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chau) OR (theo phap)) tinh - nhanh mang ((luan nang) OR (van nang)) cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chau) or (theo phap)) tinh - nhanh mang ((luan nang) OR (van nang)) cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chau) or (theo phap)) tinh - nhanh mang ((luan nang) OR (van nang)) cong dan toan cau*.