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

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 hoa) OR (thong hoc)) xa hai danh nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach hoc tap, nghien cua cong hoc nhanh ((thong hoa) OR (thong hoc)) xa hai danh nhan van".
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cua cong hoc nhanh ((thong hoa) OR (thong hoc)) xa hai danh nhan van*.