Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nhanh » hoc nganh, hoc phan
chong hoc » chung hoc, chong doc, thong hoc
sach hoi » sach doi, sach moi, cach thoi
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
xa thai » ca thai, a thai, da thai
xa hai » xua hai, xa hoi, xa dai

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 hoi tai, nghien cua cong hoc nhanh chong hoc ((xa hai) OR (xa thai)) doanh nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoi tai, nghien cua cong hoc nhanh chong hoc ((xa hai) OR (xa thai)) doanh nhan van".
• Adding a wildcard symbol may retrieve word variants: tu sach hoi tai, nghien cua cong hoc nhanh chong hoc ((xa hai) OR (xa thai)) doanh nhan van*.