Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
doanh khoa » toan khoa
canh thoi » cach thoi, hanh thoi, anh tho
goc doanh » hoa doanh, voi doanh, von doanh
thu canh » thuc hanh, thu cong, thu ban
thoi dap » hoi dap, thoi dai, thi dap
khoa hoc » hoa hoc
nhan dan » phan dau, nhan tai
gian dan » gian lang
hoi van » hoi va, hoi dan, hai 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: thu canh thoi dap, nghien cua mot goc doanh khoa hoc xa hoi van ((nhan dan) OR (gian dan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu canh thoi dap, nghien cua mot goc doanh khoa hoc xa hoi van ((nhan dan) OR (gian dan))".
• Adding a wildcard symbol may retrieve word variants: thu canh thoi dap, nghien cua mot goc doanh khoa hoc xa hoi van ((nhan dan) OR (gian dan))*.