Perhaps you should try some spelling variations:
canh thoi » cach thoi, hanh thoi, anh tho
hoc doanh » hoa doanh, hoc danh, hoc dan
thu canh » thuc hanh, thu cong, thu ban
thoi dap » hoi dap, thoi dai, thi dap
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoi van » hoi va, hoi dan, hai van

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 cuu mot hoc doanh ((khoa hoc) OR (hoa hoc)) xa hoi van nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu canh thoi dap, nghien cuu mot hoc doanh ((khoa hoc) OR (hoa hoc)) xa hoi van nhan dan".
• Adding a wildcard symbol may retrieve word variants: thu canh thoi dap, nghien cuu mot hoc doanh ((khoa hoc) OR (hoa hoc)) xa hoi van nhan dan*.