Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nhanh » hoc nganh, hoc phan
thong hoc » thuong hoc, tuong hoc, thong hoa
hai doanh » lai doanh, nhap doanh, trai doanh
cong hoc » dong hoc, cong hoa, cong coc
nhan van » nhan dan, nhan va, phan van
su sach » so sach, vu sach
doi tac » dong tac
doi dap » hoi dap, doi dau, do dap
hoc xa » hoc ma
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 ((doi tac) or (doi dap)), nghien cua cong hoc nhanh thong hoc xa hai doanh nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((doi tac) OR (doi dap)), nghien cua cong hoc nhanh thong hoc xa hai doanh nhan van.
• Adding a wildcard symbol may retrieve word variants: su sach ((doi tac) or (doi dap)), nghien cua cong hoc nhanh thong hoc xa hai doanh nhan van*.