Perhaps you should try some spelling variations:
nganh chung » nhanh chuong, nganh cong, nhanh chong
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nganh » hoc nhanh
chung hoc » trung hoc, dung hoc, hung hoa
thu sach » tu sach, thuat sach, thuoc sach
sach hoi » sach doi, sach moi, cach thoi
hoi tap » hoi dap, hoc tap, hoi tai
cua van » cua ban, cua vat, cua dan
van hoc » van hoa
nhan va » nhan tai, nhan dan, nhan tao
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: thu sach hoi tap, nghien cua van hoc nganh chung hoc xa hoi va ((nhan va) or (doanh tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach hoi tap, nghien cua van hoc nganh chung hoc xa hoi va ((nhan va) OR (doanh tai)).
• Adding a wildcard symbol may retrieve word variants: thu sach hoi tap, nghien cua van hoc nganh chung hoc xa hoi va ((nhan va) or (doanh tai))*.