Perhaps you should try some spelling variations:
thanh ha » thanh hoa, thanh hai, nhanh ha
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
cua tre » cua te, cuu tre, cua triet
ha cua » hoa cua, hai cua, nha cua
x hoi » xa hoi, o hoi, 5 hoi
so va » so van, so vat, su va
o va » do va, co va, bo va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang ((x hoi) or (x ho)). hieu va tham ((o va) or (so va)) thanh ha cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((x hoi) OR (x ho)). hieu va tham ((o va) OR (so va)) thanh ha cua tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((x hoi) or (x ho)). hieu va tham ((o va) or (so va)) thanh ha cua tre*.