Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
sach ty » sach tu, sach thu, xach tay
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
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: toc ((sach ty) OR (sach y)) nang x hoi. lieu va cam tuc va hanh lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ty) OR (sach y)) nang x hoi. lieu va cam tuc va hanh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) OR (sach y)) nang x hoi. lieu va cam tuc va hanh lai cua tre*.