Perhaps you should try some spelling variations:
hang thai » hoang thai, hang tai, hang hai
thai cua » than cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
xa hang » va hang, xa bang, xa hung
va cam » va cham, va cac, va cao
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
ve cam » ve cham, ve cac, ve cai
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky nang ((x hoi) OR (o hoi)). hieu ((ve cam) or (va cam)) tuc xa hang thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang ((x hoi) OR (o hoi)). hieu ((ve cam) OR (va cam)) tuc xa hang thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu can ky nang ((x hoi) OR (o hoi)). hieu ((ve cam) or (va cam)) tuc xa hang thai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu can ky nang ((x hoi) OR (o hoi)). hieu ((ve cam) or (va cam)) tuc xa hang thai cua tre*.