Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
hoc nhanh » hoc nganh, hoc phan
chong hoc » chung hoc, chong doc, thong hoc
sach hoi » sach moi, cach thoi, hoach hoi
sach doi » sach moi, sach dao, sach bai
mai khoi » mai khoa, tai khoa, cac khoi
hoc mai » hoc ma, hoc dai, hoc bai
khoi va » hoi va, khi va, choi va
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
mo hoc » mon hoc, co hoc

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach hoi) OR (sach doi)) dap, nghien cuu mo hoc nhanh chong hoc mai khoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach hoi) OR (sach doi)) dap, nghien cuu mo hoc nhanh chong hoc mai khoi va nhan va*".