Perhaps you should try some spelling variations:
vien cac » vien dai, vien da, gian cac
diem cau » dieu can
van dinh » van minh, van dich, va dinh
tham soc » cham soc, tham nuoc, thai son
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
soc van » hoc van, oc van, sac van
ky lang » ky nang, ky dang, ky tang
da cau » dat cau, va cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vien cac) or (vien bach)) ky lang xa hoi. hieu va tham soc van dinh ((diem cau) or (da cau)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vien cac) OR (vien bach)) ky lang xa hoi. hieu va tham soc van dinh ((diem cau) OR (da cau)) tre.
• Adding a wildcard symbol may retrieve word variants: ((vien cac) or (vien bach)) ky lang xa hoi. hieu va tham soc van dinh ((diem cau) or (da cau)) tre*.