Perhaps you should try some spelling variations:
chu dich » chu tich, chu dinh, chu thich
dich hoc » sinh hoc, hinh hoc, tinh hoc
tan khoa » toan khoa, tran khoa, san khoa
khoa hoc » hoa hoc
phap vat » phap luat, phap phat, phap viet
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc tan » hoc tang, hoc dan, hoc tai
hoc xa » hoc ma
phat » phan, pham, nhat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: chu dich hoc tap, nghien cuu mon hoc tan khoa hoc xa hoi va ((phat vi) or (phap vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chu dich hoc tap, nghien cuu mon hoc tan khoa hoc xa hoi va ((phat vi) OR (phap vat)).
• Adding a wildcard symbol may retrieve word variants: chu dich hoc tap, nghien cuu mon hoc tan khoa hoc xa hoi va ((phat vi) or (phap vat))*.