Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nghien cac » nghiep cach, nghien cuu, nghiep cay
khong hoc » khung hoc, thong hoc, khong thuoc
von luan » tong luan
tu sinh » thu sinh, tuc sinh, tu minh
cong so » cong san, cong hoa
hoi von » hoi vo, hoi dong, choi voi
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 sinh hoc tap, nghien cac ((dong co) or (cong so)) nganh khong hoc xa hoi von luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sinh hoc tap, nghien cac ((dong co) OR (cong so)) nganh khong hoc xa hoi von luan van.
• Adding a wildcard symbol may retrieve word variants: tu sinh hoc tap, nghien cac ((dong co) or (cong so)) nganh khong hoc xa hoi von luan van*.