Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
ban thanh » ban hanh, ban hang
thai cua » than cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
van lam » van nam
duc ban » duc tan, duc van, dua ban
van cam » van nam, van cau, van dam
nang xa » nang x, lang xa, nang ma
sac ky » cac 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 ((sai ky) OR (sac ky)) nang xa hoi. hieu ((van cam) or (van lam)) duc ban thanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sai ky) OR (sac ky)) nang xa hoi. hieu ((van cam) OR (van lam)) duc ban thanh thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sai ky) OR (sac ky)) nang xa hoi. hieu ((van cam) or (van lam)) duc ban thanh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sai ky) OR (sac ky)) nang xa hoi. hieu ((van cam) or (van lam)) duc ban thanh thai cua tre*.