Perhaps you should try some spelling variations:
chieu cao » hieu cac, hieu ca, chieu day
sai cua » dai cua, hai cua, lai cua
ca danh » cao danh, cau danh, va danh
cao cau » cao cap, co cau, tao cau
cua tre » cua te, cuu tre, cua triet
sach ky » sach y, sach ty, sach kem
sac ky » cac ky, sai ky
ca dan » cac dan, ca dao
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 ((sach ky) or (sac ky)) nang x hoi. chieu cao cau truc ((ca danh) or (ca dan)) sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sac ky)) nang x hoi. chieu cao cau truc ((ca danh) OR (ca dan)) sai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) or (sac ky)) nang x hoi. chieu cao cau truc ((ca danh) or (ca dan)) sai cua tre*.