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