Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
doanh khoa » toan khoa
cho doanh » hoa doanh
cua dong » chua dong, cua cong, cua dang
dong cho » dung cho, dong co, dong hoc
khoa hoc » hoa hoc
cap phan » cac phan, cao phan, cap han
phan van » pham van, thanh van, luan van
song ho » dong ho, cong ho, song co
song vo » song va, dong von, song van
hoi cap » hoi dap, hoi cac, hoi cau
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) OR (song vo)) tai, nghien cua dong cho doanh khoa hoc xa hoi cap phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((song ho) OR (song vo)) tai, nghien cua dong cho doanh khoa hoc xa hoi cap phan van*".