Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
sach hoc » sach hoi, mach hoc, sach duoc
cach hoc » cach thuc, cach thoi, dich hoc
phap dan » phap day, phap han, phap van
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi ban » hoi dan, hoi bai, doi ban
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: so ((sach hoc) or (cach hoc)) tap, nghien cuu mon hoc nganh khong hoc xa hoi ban phap dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach hoc) OR (cach hoc)) tap, nghien cuu mon hoc nganh khong hoc xa hoi ban phap dan.
• Adding a wildcard symbol may retrieve word variants: so ((sach hoc) or (cach hoc)) tap, nghien cuu mon hoc nganh khong hoc xa hoi ban phap dan*.