Perhaps you should try some spelling variations:
nghiep thuoc » nghiem thuoc, nghiep thuc, nghiep theo
thuoc sach » hoc sach, nuoc sach, thuat sach
thuoc dung » hoc dung, thuy dung
luat nganh » luat ngan, thuat nganh, luat doanh
nganh khoa » nganh hoa, nganh khong, doanh khoa
dung luat » dung luan, dung quat, dung cua
sach hoc » cach hoc, sach hoi, mach hoc
khoa hoc » hoa hoc
phan van » pham van, thanh van, luan van
hoi van » hoi va, hai van, hoi han
hoi dan » hoa dan, hoc dan, hoi dap
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: thuoc sach hoc tap, nghiep thuoc dung luat nganh khoa hoc xa ((hoi van) or (hoi dan)) phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach hoc tap, nghiep thuoc dung luat nganh khoa hoc xa ((hoi van) OR (hoi dan)) phan van.
• Adding a wildcard symbol may retrieve word variants: thuoc sach hoc tap, nghiep thuoc dung luat nganh khoa hoc xa ((hoi van) or (hoi dan)) phan van*.