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

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 ky) or (sai ky)) nang ma hoi. hieu he nam thu xa lanh hai ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sai ky)) nang ma hoi. hieu he nam thu xa lanh hai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) or (sai ky)) nang ma hoi. hieu he nam thu xa lanh hai ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sai ky)) nang ma hoi. hieu he nam thu xa lanh hai ((cua tre) OR (cua te))*.