Perhaps you should try some spelling variations:
doanh khoa » toan khoa
nghien cu » nghien cuu, nghiep cua, nghiep cau
hoa doanh » toan doanh, hoa dan
tong tap » tuong tac, trong tan, tong hop
cong tac » cong ty
khoa hoc » hoa hoc
cac nhan » ca nhan, cac nha, cam nhan
nhan tai » hang tai, van tai, toan tai
tu cach » tu cac
cho hoa » cho hoc, chi hoa, cho ho
hoi cac » hoc cac, voi cac, hoa cac
cu cho » cu cao, cu chi
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 ((tong tap) OR (cong tac)), nghien cu cho hoa doanh khoa hoc xa hoi cac nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach ((tong tap) OR (cong tac)), nghien cu cho hoa doanh khoa hoc xa hoi cac nhan tai".
• Adding a wildcard symbol may retrieve word variants: tu cach ((tong tap) OR (cong tac)), nghien cu cho hoa doanh khoa hoc xa hoi cac nhan tai*.