Perhaps you should try some spelling variations:
hoc doanh » hoc danh, hoc dan, hoc nganh
hoa doanh » toan doanh, hoa dan
ban thoi » ban thi, ban thai, ban toi
thoi dap » hoi dap, thoi dai, thi dap
khoa hoc » hoa hoc
van gian » van giang, dan gian, van giao
gian dan » gian lang
thu ban » thu hang
cuu mot » cua mot, cuu mo, huu mot
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 ban thoi dap, nghien cuu mot ((hoc doanh) OR (hoa doanh)) khoa hoc xa hoi van gian dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ban thoi dap, nghien cuu mot ((hoc doanh) OR (hoa doanh)) khoa hoc xa hoi van gian dan".
• Adding a wildcard symbol may retrieve word variants: thu ban thoi dap, nghien cuu mot ((hoc doanh) OR (hoa doanh)) khoa hoc xa hoi van gian dan*.