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
danh nhan » doanh nhan, thanh nhan, benh nhan
sach hoc » cach hoc, sach hoi, mach hoc
van nhan » van phan, van thanh, van khanh
su sach » so sach, vu sach
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
ma hoi » mai hoi, xa hoi, ma hoa

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 hoc ma hoi ((van nhan) OR (danh nhan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach hoc tap, nghien cuu mot hoc nganh khong hoc ma hoi ((van nhan) OR (danh nhan)) van".
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cuu mot hoc nganh khong hoc ma hoi ((van nhan) OR (danh nhan)) van*.