Perhaps you should try some spelling variations:
khong truyen » thong truyen, khong chuyen, cong truyen
nganh cong » nhanh chong, thanh cong
nghe thong » he thong
tin khong » tinh khong, tien khong, thinh khong
tu sach » thu sach, te sach, tu cach
su sach » vu sach
so sach » so sanh, bo sach, co sach

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) or (((su sach) or (so sach)))) nganh cong nghe thong tin khong truyen thong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (((su sach) OR (so sach)))) nganh cong nghe thong tin khong truyen thong.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (((su sach) or (so sach)))) nganh cong nghe thong tin khong truyen thong*.