Perhaps you should try some spelling variations:
muong doi » huong doi, duong doi, mong doi
xa muong » ca muong, xa truong, xa dong
sach ky » sac ky, sach ty, sach kem
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
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: so ((sach ky) OR (sach y)) nang x hoi. hieu va cam tuc xa muong doi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach ky) OR (sach y)) nang x hoi. hieu va cam tuc xa muong doi cua tre".
• Adding a wildcard symbol may retrieve word variants: so ((sach ky) OR (sach y)) nang x hoi. hieu va cam tuc xa muong doi cua tre*.