Perhaps you should try some spelling variations:
cach hoc » cach thuc, cach thoi, dich hoc
tan khoa » toan khoa, tran khoa, san khoa
khoa hoc » hoa hoc
nhan van » nhan va, phan van, nha van
nhan dan » phan dau, gian dan, nhan tai
ve cach » va cach, ve cac, ve canh
hoc tan » hoc tang, hoc dan, hoc tai
hoi dan » hoa dan, hoc dan, hoi dap
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 cach hoc tap, nghien cuu mo hoc tan khoa hoc xa hoi dan ((nhan van) OR (nhan dan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ve cach hoc tap, nghien cuu mo hoc tan khoa hoc xa hoi dan ((nhan van) OR (nhan dan))".
• Adding a wildcard symbol may retrieve word variants: ve cach hoc tap, nghien cuu mo hoc tan khoa hoc xa hoi dan ((nhan van) OR (nhan dan))*.