Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
goc nhanh » hoc nhanh, doc nhanh, goc nhan
chong hoc » chung hoc, chong doc, thong hoc
mai khoi » mai khoa, tai khoa, cac khoi
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
su sach » so sach, vu sach
hoc mai » hoc ma, hoc dai, hoc bai
khoi ca » khoi can, khoi cua, khoi va
mo goc » mot goc, mo hoc, mo uoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) hoc tap, nghien cuu mo goc nhanh chong hoc mai khoi ca nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) hoc tap, nghien cuu mo goc nhanh chong hoc mai khoi ca nhan dan.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) hoc tap, nghien cuu mo goc nhanh chong hoc mai khoi ca nhan dan*.