Perhaps you should try some spelling variations:
van dinh » van minh, van dich, va dinh
dinh doc » dinh duc, dinh ngoc, trinh doc
vu sach » vu bach, su sach, vu khach
ly lanh » ly anh, ly hanh, ly danh
ly hang » ly quang
hieu va » lieu va, hieu qua
cao tuc » dao tuc, cao duc, cao suc
tuc van » thuc van, truc van, tuc va
doc cua » hoc cua, doi cua, do cua
va cao » va cac, va co, va dao
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ((ly lanh) or (ly hang)) xa hoi. hieu va cao tuc van dinh doc cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ly lanh) OR (ly hang)) xa hoi. hieu va cao tuc van dinh doc cua te.
• Adding a wildcard symbol may retrieve word variants: vu sach ((ly lanh) or (ly hang)) xa hoi. hieu va cao tuc van dinh doc cua te*.