Perhaps you should try some spelling variations:
hanh dao » lanh dao, thanh dat, thanh dam
sach ky » sac ky, sach ty, sach kem
lang xa » lang ha, dang xay, lang van
hieu va » lieu va
va hanh » van hanh, va thanh, va danh
dao cua » dai cua, day cua, dan cua
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) OR (sach y)) lang xa hoi. ((hieu va) or (hieu qua)) cam xuc va hanh dao cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) lang xa hoi. ((hieu va) OR (hieu qua)) cam xuc va hanh dao cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach y)) lang xa hoi. ((hieu va) or (hieu qua)) cam xuc va hanh dao cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach y)) lang xa hoi. ((hieu va) or (hieu qua)) cam xuc va hanh dao cua tre*.