Perhaps you should try some spelling variations:
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
van anh » van thanh, tuan anh
cua tuc » cua duc, cua thuoc, luat tuc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua tu » cua su, cua cu, cua te
x hoi » xa hoi, o hoi, x ho

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 sac ky nang x hoi. hieu vu cham soc ((van anh) OR (van minh)) viet ((cua tu) OR (cua tuc))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang x hoi. hieu vu cham soc ((van anh) or (van minh)) viet ((cua tu) OR (cua tuc))~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu vu cham soc ((van anh) or (van minh)) viet ((cua tu) OR (cua tuc))*.