Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoa doanh » toan doanh, hoa dan
doanh hoa » doanh khoa, doanh hoan, danh hoa
song nho » cong nho, dong nho, song ho
song nhu » song ngu, song cuu, song hau
cong hoa » dong hoa, dong hoc, hang hoa
dap phan » dam phan, dap phap, cap phan
phan van » pham van, thanh van, luan van
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 nho) or (song nhu)) tai, nghien cua cong hoa doanh hoa hoc xa hoi dap phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((song nho) OR (song nhu)) tai, nghien cua cong hoa doanh hoa hoc xa hoi dap phan van.
• Adding a wildcard symbol may retrieve word variants: thuat ((song nho) or (song nhu)) tai, nghien cua cong hoa doanh hoa hoc xa hoi dap phan van*.