Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
lanh hai » manh hai, thanh hai, lang chai
cua tre » cua te, cuu tre, cua triet
xa lanh » va lanh, xa lach, nha lanh
hieu he » hieu ve, hiem he, hieu le
nang ma » tang ma, sang ma, nang cao
thu xa » thu xac, thu ha, thu xe
ma hoi » mai hoi, xa hoi, ma hoa
sac ky » cac ky, sai ky
he nam » ha nam, nghe nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach y) or (sac ky)) nang ma hoi. hieu he nam thu xa lanh hai ((cua tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach y) OR (sac ky)) nang ma hoi. hieu he nam thu xa lanh hai ((cua tre) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: su ((sach y) or (sac ky)) nang ma hoi. hieu he nam thu xa lanh hai ((cua tre) or (cau treo))*.