Perhaps you should try some spelling variations:
viet cua » viec cua, viet ca, viet qua
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
soc van » hoc van, oc van, sac van
van anh » van thanh, tuan anh, van minh
tu san » thu san, tu can, vu san
tu ban » thu ban, te ban
cua tu » cua tuc, cua su, cua cu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu ban)) ky ((nang xa) OR (lang xa)) hoi. hieu vu cham soc van anh viet cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (tu ban)) ky ((nang xa) or (lang xa)) hoi. hieu vu cham soc van anh viet cua tu~".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (tu ban)) ky ((nang xa) or (lang xa)) hoi. hieu vu cham soc van anh viet cua tu*.