Perhaps you should try some spelling variations:
doanh thuong » doan phuong, anh thuong, dinh thuong
thuong hoc » truong hoc, tuong hoc, thuong ho
hoc doanh » hoa doanh, hoc danh, hoc dan
phan dang » phan dau, phan cong, nhan dan
cach hoc » cach thuc, cach thoi, dich hoc
phan dan » phan dau, nhan dan, phan van
tu cach » tu cac
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoi van » hoi va, hoi dan, hai van
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 cach hoc tap, nghien cuu mot hoc doanh thuong hoc xa hoi van ((phan dan) or (phan dang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu mot hoc doanh thuong hoc xa hoi van ((phan dan) OR (phan dang)).
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mot hoc doanh thuong hoc xa hoi van ((phan dan) or (phan dang))*.