Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
doanh khoa » toan khoa
hoach hoi » hoc hoi, hoach ha, sach hoi
hoa doanh » toan doanh, hoa dan
tu hoach » thu hoach, tu hach, quy hoach
cua toan » cuu toan, xuan toan, cua thanh
toan hoa » toan khoa, toan hoat, toan hoc
khoa hoc » hoa hoc
cua nhan » ca nhan, cua nha, cua nhung
cua ngan » cua ban, vu ngan, cua dan
hoi tap » hoi dap, hoc tap, hoi 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: tu hoach hoi tap, nghien cua toan hoa doanh khoa hoc xa hoi ((cua nhan) OR (cua ngan)) va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu hoach hoi tap, nghien cua toan hoa doanh khoa hoc xa hoi ((cua nhan) OR (cua ngan)) va".
• Adding a wildcard symbol may retrieve word variants: tu hoach hoi tap, nghien cua toan hoa doanh khoa hoc xa hoi ((cua nhan) OR (cua ngan)) va*.