Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
mach hoc » cach hoc, dich hoc, anh hoc
cuu dong » cuu tong, cuu long, luu dong
cuu cong » cua cong, thu cong, cac cong
giai dan » giai doan, gian dan, giai han
tu mach » tu cach, tu manh, tu hach
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 mach hoc tap, nghien ((cuu dong) or (cuu cong)) hoc nganh khong hoc xa hoi va giai dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien ((cuu dong) OR (cuu cong)) hoc nganh khong hoc xa hoi va giai dan.
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien ((cuu dong) or (cuu cong)) hoc nganh khong hoc xa hoi va giai dan*.