Perhaps you should try some spelling variations:
doanh khoa » toan khoa
hoc doanh » hoa doanh, hoc dan, hoc nganh
danh gian » dan gian, danh gia, danh giao
gian dan » gian lang
hoc danh » hoc dan, hoc anh, hoc hanh
khoa hoc » hoa hoc
thu ban » thu hang
cuu mon » cuu mo, cuu mot, cuu cong
thi dan » thi doan, thi lan, thi dai
thi dap » thi dai, thi dep, thi dao
mon hoc » toan hoc, dong hoc
hoc xa » hoc ma
xa hoc » xa hoi, va hoc, xa hoa

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 ((thi dap) OR (thi dan)), nghien cuu mon hoc doanh khoa hoc xa hoc danh gian dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ban ((thi dap) OR (thi dan)), nghien cuu mon hoc doanh khoa hoc xa hoc danh gian dan".
• Adding a wildcard symbol may retrieve word variants: thu ban ((thi dap) OR (thi dan)), nghien cuu mon hoc doanh khoa hoc xa hoc danh gian dan*.