Perhaps you should try some spelling variations:
nghien hieu » nghiep hieu, nghe hieu, thien hieu
toc hinh » toc kinh, hoc hinh, toc xinh
hinh hoc » sinh hoc, tin hoc, benh hoc
hieu mot » thieu mot, hieu moi, hieu so
hoc tang » hoc bang, hoc tieng, hoc trong
khoa hoc » hoa hoc
nhan dan » phan dau, gian dan, nhan tai
hoc tan » hoc dan, hoc tai, hoc can
va nhan » van nhan, ca nhan, va phan
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: toc hinh hoc tap, nghien hieu mot ((hoc tan) or (hoc tang)) khoa hoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hinh hoc tap, nghien hieu mot ((hoc tan) OR (hoc tang)) khoa hoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: toc hinh hoc tap, nghien hieu mot ((hoc tan) or (hoc tang)) khoa hoc xa hoi va nhan dan*.