Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
nghien cua » nghien cuu, nghiep vua, nghe cua
nghiep cua » nghiep vua, nghiep luan, nghien cuu
hoa nganh » hoc nganh, khoi nganh, hoa doanh
thong hoc » thuong hoc, tuong hoc, thong hoa
hanh hoc » thanh hoc, hinh hoc, anh hoc
hang hoa » hang khoa, thanh hoa, hang va
tu hanh » du hanh, lu hanh, thuc hanh
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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, ((nghien cua) or (nghiep cua)) hang hoa nganh thong hoc xa hoi ca nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hanh hoc tap, ((nghien cua) OR (nghiep cua)) hang hoa nganh thong hoc xa hoi ca nhan va.
• Adding a wildcard symbol may retrieve word variants: tu hanh hoc tap, ((nghien cua) or (nghiep cua)) hang hoa nganh thong hoc xa hoi ca nhan va*.