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 hoc » dong hoc, cong hoa, cong coc
hoi danh » hop danh, hoi dan, hoc danh
nhan tao » nhan dan
nhan tai » hang tai, van tai, toan tai
vu sach » vu bach, su sach, vu khach
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach hoc tap, nghien cuu mot hoc nganh cong hoc mai hoi danh ((nhan tao) OR (nhan tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach hoc tap, nghien cuu mot hoc nganh cong hoc mai hoi danh ((nhan tao) OR (nhan tai))".
• Adding a wildcard symbol may retrieve word variants: vu sach hoc tap, nghien cuu mot hoc nganh cong hoc mai hoi danh ((nhan tao) OR (nhan tai))*.