Perhaps you should try some spelling variations:
bang khoa » hang khoa, dang khoa, vang khoa
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
hoi chau » hoi chu, hoi cham, hai chau
chau van » chu van, chao van, pham van
tu sinh » thu sinh, tuc sinh, tu minh
mon hoc » toan hoc
van tai » von tai, van tuan
hoc xa » hoc ma

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sinh hoc tap, nghien cuu ((mon hoc) OR (dong hoc)) bang khoa hoc xa hoi chau van tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sinh hoc tap, nghien cuu ((mon hoc) OR (dong hoc)) bang khoa hoc xa hoi chau van tai".
• Adding a wildcard symbol may retrieve word variants: tu sinh hoc tap, nghien cuu ((mon hoc) OR (dong hoc)) bang khoa hoc xa hoi chau van tai*.