Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
dinh dao » dinh dat, minh dao, dinh cao
dinh dai » dinh dat, sinh dai, dinh tai
va chat » van chat, va phat, cao chat
sach ky » sach y, sach ty, sach kem
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
sac ky » cac ky, sai ky

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 xa hoi. hieu va chat xuc va ((dinh dai) or (dinh dao)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sac ky)) nang xa hoi. hieu va chat xuc va ((dinh dai) OR (dinh dao)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) OR (sac ky)) nang xa hoi. hieu va chat xuc va ((dinh dai) or (dinh dao)) cua tre".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) OR (sac ky)) nang xa hoi. hieu va chat xuc va ((dinh dai) or (dinh dao)) cua tre*.