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