Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
thu cac » tu cac, thu xac, thu cuc
hieu va » lieu va
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
cac co » cac cong
co gia » co giao, cho gia, co giac
x hoi » xa hoi, o hoi, x ho

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

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