Perhaps you should try some spelling variations:
canh hoc » anh hoc, cach hoc, danh hoc
dan khoa » dang khoa, da khoa, san khoa
khoa hoc » hoa hoc
hoi danh » hop danh, hoc danh, hoi dang
nhan van » nhan dan, nhan va, phan van
ve canh » van canh, ve thanh
hoi dan » hoa dan, hoi dap, thoi dai
mo hoc » mon hoc, co hoc
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: ve canh hoc tap, nghien cuu mo hoc dan khoa hoc xa ((hoi danh) OR (hoi dan)) nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ve canh hoc tap, nghien cuu mo hoc dan khoa hoc xa ((hoi danh) OR (hoi dan)) nhan van".
• Adding a wildcard symbol may retrieve word variants: ve canh hoc tap, nghien cuu mo hoc dan khoa hoc xa ((hoi danh) OR (hoi dan)) nhan van*.