Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac toc » cac toi, cac nuoc, cac thoi
cuu tre » cua tre, cau tren
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
xa don » xa dong, ba don, va don

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 va cac toc ((xa don) or (la don)) vi ((cuu tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu va cac toc ((xa don) OR (la don)) vi ((cuu tre) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu va cac toc ((xa don) or (la don)) vi ((cuu tre) or (cau treo))*.