Perhaps you should try some spelling variations:
nghien hieu » nghiep hieu, nghe hieu, thien hieu
van thanh » ban thanh, van tuan
dich hoc » sinh hoc, hinh hoc, tinh hoc
hieu mot » thieu mot, hieu moi, hieu so
cong hoc » dong hoc, cong hoa, cong coc
nhan van » nhan dan, nhan va, phan van
anh hoc » sinh hoc, benh hoc, hinh hoc
mot van » mot vai, moi van, mot lan
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((anh hoc) or (dich hoc)) tap, nghien hieu mot van thanh cong hoc xa hoi ca nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((anh hoc) OR (dich hoc)) tap, nghien hieu mot van thanh cong hoc xa hoi ca nhan van.
• Adding a wildcard symbol may retrieve word variants: tu ((anh hoc) or (dich hoc)) tap, nghien hieu mot van thanh cong hoc xa hoi ca nhan van*.