Perhaps you should try some spelling variations:
nganh chong » nganh cong, nhanh chong, nganh khong
luat nganh » luat ngan, thuat nganh, luat doanh
tong luat » tong luan, tang luat, tong quat
sach hoc » cach hoc, sach hoi, mach hoc
cuu tong » cuu cong, cuu tinh, huu tung
phan van » pham van, thanh van, luan van
te sach » toc sach
va phan » van phan, va phat, va phap
do xa » doi xa, o xa, do a
do va » do van, so va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoc tap, nghien cuu tong luat nganh chong ((do xa) OR (do va)) hoi va phan van~.
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu tong luat nganh chong ((do xa) or (do va)) hoi va phan van*.