Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
cong thuoc » cong thuc, dong thuoc, long thuoc
hoc nganh » hoc nhanh
sach hoi » sach doi, sach moi, cach thoi
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
thuoc va » thuc va, thuoc ma, thuong va
so sach » so sanh, bo sach, co sach
hoi tai » hoc tai, hoi trac
hoi dan » hoa dan, hoc dan, hoi dap
va hoi » xa hoi, va hoc, va hoa
luat » luan, xuat

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach hoi tai, nghien cuu dong hoc nganh cong thuoc va hoi dan ((phap luat) or (phap phat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach hoi tai, nghien cuu dong hoc nganh cong thuoc va hoi dan ((phap luat) OR (phap phat)).
• Adding a wildcard symbol may retrieve word variants: so sach hoi tai, nghien cuu dong hoc nganh cong thuoc va hoi dan ((phap luat) or (phap phat))*.