Perhaps you should try some spelling variations:
thanh sang » thanh san, thanh hang, thanh hoang
van thanh » ban thanh, van tuan
cham sat » cham mat, khao sat, giam sat
sang cua » mang cua, song cua, hang cua
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky dang xa hoi. hieu va ((cham sat) OR (cham soc)) van thanh sang cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky dang xa hoi. hieu va ((cham sat) OR (cham soc)) van thanh sang cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang xa hoi. hieu va ((cham sat) OR (cham soc)) van thanh sang cua tre*.