Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoach hai » hoach ha, hoach hoi, hoach thay
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
tu hoach » thu hoach, tu hach, quy hoach
nhan tao » nhan dan
nhan tai » hang tai, van tai, toan tai
hai tap » hai thap, bai tap, han tap
mo hoc » mon hoc, co hoc
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 hoach hai tap, nghien cuu mo hoc nganh khong hoc xa hoi va ((nhan tao) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hoach hai tap, nghien cuu mo hoc nganh khong hoc xa hoi va ((nhan tao) OR (nhan tai)).
• Adding a wildcard symbol may retrieve word variants: tu hoach hai tap, nghien cuu mo hoc nganh khong hoc xa hoi va ((nhan tao) or (nhan tai))*.