Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nghiep va » nghiep vu
khong hoc » khung hoc, thong hoc, khong thuoc
hanh hoc » thanh hoc, hinh hoc, anh hoc
va nganh » da nganh, va ngan, ve nganh
nhan dan » phan dau, gian dan
nhan tai » hang tai, van tai, toan tai
tu hanh » du hanh, lu hanh, thuc hanh
va hang » van hang, va nang, va lang
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 hanh hoc tap, nghiep va hang va nganh khong hoc xa hoi va ((nhan dan) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hanh hoc tap, nghiep va hang va nganh khong hoc xa hoi va ((nhan dan) OR (nhan tai)).
• Adding a wildcard symbol may retrieve word variants: tu hanh hoc tap, nghiep va hang va nganh khong hoc xa hoi va ((nhan dan) or (nhan tai))*.