Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
hoc nganh » hoc nhanh
thong hoc » thuong hoc, tuong hoc, thong hoa
danh nhan » doanh nhan, thanh nhan, dung nhan
sach hoc » cach hoc, sach hoi, mach hoc
su sach » so sach, vu sach
mo hoc » mon hoc, co hoc
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 mo hoc nganh thong hoc ma hoi ((danh nhan) OR (benh nhan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach hoc tap, nghien cuu mo hoc nganh thong hoc ma hoi ((danh nhan) OR (benh nhan)) van".
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cuu mo hoc nganh thong hoc ma hoi ((danh nhan) OR (benh nhan)) van*.