Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
cong hoa » dong hoa, dong hoc, hang hoa
nhan tao » nhan tai, nhan dan
tu sach » thu sach, su sach, te sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi cua » hoi chuc
hoi ca » hoi cac, hoi cau, hoi va

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 hoc tap, nghien cuu mon hoc nganh cong hoa xa ((hoi ca) or (hoi cua)) nhan tao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cuu mon hoc nganh cong hoa xa ((hoi ca) OR (hoi cua)) nhan tao.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu mon hoc nganh cong hoa xa ((hoi ca) or (hoi cua)) nhan tao*.