Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
thu sach » tu sach, thuat sach, thuoc sach
cong hoc » dong hoc, cong hoa, cong coc
phan van » pham van, thanh van, luan van
te sach » toc sach
cua hoa » cua khoa, cua hoi, cua hoc
va phan » van phan, va phat, va phap
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) or (thu sach)) hoc tap, nghien cua hoa hoc nganh cong hoc xa hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) hoc tap, nghien cua hoa hoc nganh cong hoc xa hoi va phan van.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) hoc tap, nghien cua hoa hoc nganh cong hoc xa hoi va phan van*.