Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
thu sach » tu sach, thuat sach, thuoc sach
sach doi » sach hoi, sach moi, sach dao
cuu long » cuu cong, cuu tong, cuu nang
long hoc » dong hoc, long soc, long thuoc
cong hoc » dong hoc, cong hoa, cong coc
doi tap » doi tac, doi dap, doi tai
va nhan » van nhan, va phan, va nha
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: thu sach doi tap, nghien cuu long hoc nganh cong hoc xa hoi ((va nhan) OR (ca nhan)) tao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach doi tap, nghien cuu long hoc nganh cong hoc xa hoi ((va nhan) OR (ca nhan)) tao".
• Adding a wildcard symbol may retrieve word variants: thu sach doi tap, nghien cuu long hoc nganh cong hoc xa hoi ((va nhan) OR (ca nhan)) tao*.