Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
thuoc sach » hoc sach, nuoc sach, thuat sach
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nhanh » hoc nganh, hoc phan
chong hoc » chung hoc, chong doc, thong hoc
hai doanh » lai doanh, nhap doanh, trai doanh
cong hoc » dong hoc, cong hoa, cong coc
nhan van » nhan dan, nhan va, phan van
tu sach » thu sach, su sach, te sach
hoi tai » hoc tai, hoi trac
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: ((tu sach) or (thuoc sach)) hoi tai, nghien cua cong hoc nhanh chong hoc xa hai doanh nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuoc sach)) hoi tai, nghien cua cong hoc nhanh chong hoc xa hai doanh nhan van.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuoc sach)) hoi tai, nghien cua cong hoc nhanh chong hoc xa hai doanh nhan van*.