Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khong thuoc » khang thuoc, hong phuoc, dong thuoc
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
nhan van » nhan dan, nhan va, phan van
su sach » so sach, vu sach
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
va nhan » van nhan, ca nhan, va phan
la hoi » lai hoi, xa hoi, va hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach hoc tap, nghien cuu mot hoc nganh khong thuoc ((la hoi) or (le hoi)) va nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoc tap, nghien cuu mot hoc nganh khong thuoc ((la hoi) OR (le hoi)) va nhan van.
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cuu mot hoc nganh khong thuoc ((la hoi) or (le hoi)) va nhan van*.