Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nhanh » hoc nganh, hoc phan
thong hoi » thong noi, thong hai, thong hoa
thong hoc » thuong hoc, tuong hoc, thong hoa
danh nhan » doanh nhan, thanh nhan, benh nhan
sach hoc » cach hoc, sach hoi, mach hoc
cong hoc » dong hoc, cong hoa, cong coc
hoi danh » hop danh, hoi dan, hoc danh
nhan van » nhan dan, nhan va, phan van
su sach » so sach, vu sach

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 cua cong hoc nhanh ((thong hoi) or (thong hoc)) xa hoi danh nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoc tap, nghien cua cong hoc nhanh ((thong hoi) OR (thong hoc)) xa hoi danh nhan van.
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cua cong hoc nhanh ((thong hoi) or (thong hoc)) xa hoi danh nhan van*.