Perhaps you should try some spelling variations:
luat nganh » luat ngan, thuat nganh, luat doanh
nganh cong » nhanh chong, thanh cong
dong luat » dong luan, dung luat, dong luc
sach hoc » cach hoc, mach hoc, sach duoc
sach hoi » sach doi, sach moi, cach thoi
cuu dong » cuu cong, cuu tong, cuu long
nhan van » nhan dan, nhan va, phan van
cong do » cuong do, cong dot, cong so
hoi ca » hoi cua, hoi cac, hoi cau
do xa » doi xa, do va, o xa

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach hoc) OR (sach hoi)) tap, nghien cuu dong luat nganh cong do xa hoi ca nhan van~".
• Adding a wildcard symbol may retrieve word variants: te ((sach hoc) OR (sach hoi)) tap, nghien cuu dong luat nganh cong do xa hoi ca nhan van*.