Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
nghien cua » nghien cuu, nghiep vua, nghe cua
nghiep cua » nghiep vua, nghiep luan, nghien cuu
goc nhanh » hoc nhanh, doc nhanh, goc nhan
khong hoc » khung hoc, thong hoc, khong thuoc
manh hoc » anh hoc, manh ho, manh hon
dan nhan » danh nhan, dan chan, van nhan
nhan van » nhan dan, nhan va, phan van
tu manh » tu minh, tu hanh, vu manh
hoi dan » hoa dan, hoc dan, hoi dap
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu manh hoc tap, ((nghien cua) or (nghiep cua)) mot goc nhanh khong hoc ma hoi dan nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu manh hoc tap, ((nghien cua) OR (nghiep cua)) mot goc nhanh khong hoc ma hoi dan nhan van.
• Adding a wildcard symbol may retrieve word variants: tu manh hoc tap, ((nghien cua) or (nghiep cua)) mot goc nhanh khong hoc ma hoi dan nhan van*.