Perhaps you should try some spelling variations:
cham sac » cham soc, pham sach, cham mat
tuan san » luan san, tan san, thanh san
van tuan » van quan, van ban, anh tuan
san cua » sang cua, ban cua, dan cua
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu va » lieu va, hieu qua
tu ban » thu ban, te ban
tu san » thu san, tu can, vu san
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: ((tu ban) or (tu san)) ky dang xa hoi. hieu va ((cham sac) or (cap sac)) van tuan san cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu ban) OR (tu san)) ky dang xa hoi. hieu va ((cham sac) OR (cap sac)) van tuan san cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu ban) or (tu san)) ky dang xa hoi. hieu va ((cham sac) or (cap sac)) van tuan san cua te*.