Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc nhanh » hoc phan
thong hoc » thuong hoc, tuong hoc, thong hoa
sach hoi » sach doi, sach moi, cach thoi
te sach » toc sach
hoi tap » hoi dap, hoc tap, hoi tai
huu mot » cuu mot, huy mot, hieu mot
van tai » von tai, van tuan
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 tap, nghien huu mot ((hoc nhanh) or (hoc nganh)) thong hoc xa hoi va van tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoi tap, nghien huu mot ((hoc nhanh) OR (hoc nganh)) thong hoc xa hoi va van tai.
• Adding a wildcard symbol may retrieve word variants: te sach hoi tap, nghien huu mot ((hoc nhanh) or (hoc nganh)) thong hoc xa hoi va van tai*.