Perhaps you should try some spelling variations:
nganh thuong » anh thuong, doanh thuong, nang thuong
thuong hoc » truong hoc, tuong hoc, thuong ho
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
nhan dan » phan dau, gian dan, nhan tai
su sach » so sach, vu sach
mo hoc » mon hoc, co hoc
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: su sach hoc tap, nghien cuu mo hoc nganh thuong hoc xa hoi va ((pham van) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoc tap, nghien cuu mo hoc nganh thuong hoc xa hoi va ((pham van) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cuu mo hoc nganh thuong hoc xa hoi va ((pham van) or (nhan dan))*.