Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van ban
nang xa » nang x, lang xa, nang ma
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
di cua » dai cua, doi cua, de cua

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 nang xa hoi. hieu ((ve cam) or (va cam)) xuc ((van hanh) OR (van anh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu ((ve cam) OR (va cam)) xuc ((van hanh) OR (van anh)) di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. hieu ((ve cam) or (va cam)) xuc ((van hanh) OR (van anh)) di cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ((ve cam) or (va cam)) xuc ((van hanh) OR (van anh)) di cua tre*.