Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
thuat san » thuat toan, thuat song, thuat lanh
coc doanh » cac doanh, hoa doanh, voi doanh
cho doanh » hoa doanh
khoa hoc » hoa hoc
cac phan » cac nhan, cao phan, cap phan
phan van » pham van, thanh van, luan van
san hoc » van hoc, dan hoc, san ho
hoi cac » hoc cac, voi cac, hoa cac
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: thuat san hoc tap, nghien cua cong ((coc doanh) OR (cho doanh)) khoa hoc xa hoi cac phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san hoc tap, nghien cua cong ((coc doanh) OR (cho doanh)) khoa hoc xa hoi cac phan van".
• Adding a wildcard symbol may retrieve word variants: thuat san hoc tap, nghien cua cong ((coc doanh) OR (cho doanh)) khoa hoc xa hoi cac phan van*.