Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
nhanh hung » thanh hung, nhanh hong, nhanh chuong
hoc nhanh » hoc nganh, hoc phan
sach hoi » sach doi, sach moi, cach thoi
hung hoc » chung hoc, khung hoc, nhung hoc
phan van » pham van, thanh van, luan van
te sach » toc sach
mot hoc » mon hoc, mo hoc, mot goc
hoi van » hoi dan, hai van, hoi han
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 mot hoc nhanh hung hoc xa ((hoi van) OR (hoi va)) phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoi dap, nghien cua mot hoc nhanh hung hoc xa ((hoi van) OR (hoi va)) phan van".
• Adding a wildcard symbol may retrieve word variants: te sach hoi dap, nghien cua mot hoc nhanh hung hoc xa ((hoi van) OR (hoi va)) phan van*.