Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
khong hoc » thong hoc, khong thuoc, khong chuc
khung hoc » chung hoc, nhung hoc, thuong hoc
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
hang tai » hang va, dung tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach hoc tap, nghien cuu mon hoc nganh ((khong hoc) or (khung hoc)) xa hoi va hang tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach hoc tap, nghien cuu mon hoc nganh ((khong hoc) OR (khung hoc)) xa hoi va hang tai.
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu mon hoc nganh ((khong hoc) or (khung hoc)) xa hoi va hang tai*.