Perhaps you should try some spelling variations:
nganh chung » nhanh chuong, nganh cong, nhanh chong
hoc nganh » hoc nhanh
chung hoc » trung hoc, dung hoc, hung hoa
sach hoc » cach hoc, sach hoi, mach hoc
nhan tai » hang tai, van tai, toan tai
tu sach » thu sach, su sach, te sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
nhan va » nhan dan, nhan tao, phan van
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 sach hoc tap, nghien cuu mon hoc nganh chung hoc xa hoi va ((nhan va) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cuu mon hoc nganh chung hoc xa hoi va ((nhan va) OR (nhan tai)).
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu mon hoc nganh chung hoc xa hoi va ((nhan va) or (nhan tai))*.