Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
so sanh » do sanh
sanh ky » hanh ky, sang ky, nganh ky
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
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ky dang xa hoi. hieu va cam ((duc gia) OR (quoc gia)) thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ky dang xa hoi. hieu va cam ((duc gia) OR (quoc gia)) thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: so sanh ky dang xa hoi. hieu va cam ((duc gia) OR (quoc gia)) thanh vi cua tre*.