Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghe cua
nghiep vua » nghiep va, nghiep vu
nhanh hung » thanh hung, nhanh hong, nhanh chuong
goc nhanh » hoc nhanh, doc nhanh, goc nhan
thanh van » thanh san, thanh toan, thanh phan
sach hoi » sach doi, sach moi, cach thoi
hung hoc » chung hoc, khung hoc, nhung hoc
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach hoi dap, ((nghien cua) or (nghiep vua)) mot goc nhanh hung hoc xa hoi va thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoi dap, ((nghien cua) OR (nghiep vua)) mot goc nhanh hung hoc xa hoi va thanh van.
• Adding a wildcard symbol may retrieve word variants: te sach hoi dap, ((nghien cua) or (nghiep vua)) mot goc nhanh hung hoc xa hoi va thanh van*.