Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
sach moi » sach doi, sach hoi, bach mai
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
tu sach » thu sach, su sach, te sach
moi tap » moi tai, toi tap
va phan » van phan, va phap, hoa phan
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: tu sach moi tap, nghien cuu cong hoc nganh cong hoc xa hoi ((va phan) OR (va phat)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach moi tap, nghien cuu cong hoc nganh cong hoc xa hoi ((va phan) OR (va phat)) van".
• Adding a wildcard symbol may retrieve word variants: tu sach moi tap, nghien cuu cong hoc nganh cong hoc xa hoi ((va phan) OR (va phat)) van*.