Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nhan thong » nhan trong, nha thong, nhan khong
thong hoc » thuong hoc, tuong hoc, thong hoa
lai doanh » luat doanh, trai doanh, tri doanh
lap doanh » luat doanh, nhap doanh, tap doan
sach doi » sach hoi, sach moi, sach dao
cong hoc » dong hoc, cong hoa, cong coc
hoc nhan » hoc nhanh, nhoc nhan, hoc phan
nhan tai » hang tai, van tai, toan tai
su sach » so sach, vu sach
doi tap » doi tac, doi dap, doi tai
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 doi tap, nghien thu cong hoc nhan thong hoc xa ((lai doanh) or (lap doanh)) nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach doi tap, nghien thu cong hoc nhan thong hoc xa ((lai doanh) OR (lap doanh)) nhan tai.
• Adding a wildcard symbol may retrieve word variants: su sach doi tap, nghien thu cong hoc nhan thong hoc xa ((lai doanh) or (lap doanh)) nhan tai*.