Perhaps you should try some spelling variations:
doanh trong » doanh tong, doanh thuong, dinh trong
nghien cua » nghien cuu, nghiep cua, nghiep vua
tan doanh » toan doanh, van doanh, san doanh
trong hoc » truong hoc, tuong hoc, thong hoc
cach noi » cach thoi, hanh noi, anh noi
cong tan » cong tac, cong san, cong thanh
toan tai » toan tap, toan ban, toan cao
su cach » su sach, tu cach, su cac
noi tai » noi thai, moi tai, doi tai
hoi tai » hoc tai, hoi trac
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: su cach noi tai, nghien cua cong tan doanh trong hoc xa hoi tai ((toan tai) or (doanh tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach noi tai, nghien cua cong tan doanh trong hoc xa hoi tai ((toan tai) OR (doanh tai)).
• Adding a wildcard symbol may retrieve word variants: su cach noi tai, nghien cua cong tan doanh trong hoc xa hoi tai ((toan tai) or (doanh tai))*.