Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
nang xay » dang xay, nganh xay, nang xuan
dan vat » dang vat, van vat, dan va
cuu tre » cua tre, cau tren
toc sac » toc sach, toc san, hoc sach
xay hoi » xa hoi, tay hoi, cay phoi
hieu ca » hieu cac, hieu cua, hieu va
thu ca » thu cua, thu ba, thu va
sac ky » cac ky, sai ky
ca nam » cua nam, cai nam, ha nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ky nang xay hoi. hieu ca nam ((thu ca) OR (thu ha)) dan vat ((cuu tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky nang xay hoi. hieu ca nam ((thu ca) OR (thu ha)) dan vat ((cuu tre) OR (cau treo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sac ky nang xay hoi. hieu ca nam ((thu ca) OR (thu ha)) dan vat ((cuu tre) or (cau treo))".
• Adding a wildcard symbol may retrieve word variants: toc sac ky nang xay hoi. hieu ca nam ((thu ca) OR (thu ha)) dan vat ((cuu tre) or (cau treo))*.