Perhaps you should try some spelling variations:
nghien cua » nghiep cua, nghiep vua, nghe cua
doanh khoa » toan khoa
coc doanh » cac doanh, hoa doanh, cho doanh
cong coc » cong cuoc, cong cac, cong co
khoa hoc » hoa hoc
cap phan » cac phan, cao phan, cap han
phan van » pham van, thanh van, luan van
song ho » dong ho, song vo, cong ho
hoi cap » hoi dap, hoi cac, hoi cau
ho tai » hoc tai, hoi tai, nho tai
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 song ho tai, ((nghien cua) OR (nghien cuu)) cong coc doanh khoa hoc xa hoi cap phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat song ho tai, ((nghien cua) OR (nghien cuu)) cong coc doanh khoa hoc xa hoi cap phan van".
• Adding a wildcard symbol may retrieve word variants: thuat song ho tai, ((nghien cua) OR (nghien cuu)) cong coc doanh khoa hoc xa hoi cap phan van*.