Perhaps you should try some spelling variations:
hanh doi » thanh doi, hanh noi, hang doi
tu sach » thu sach, su sach, te sach
va tham » van tham, va cham, va thanh
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
y nang » ly nang, v nang, may nang
doc va » duoc va, hoc va, duc va
loc va » hoc 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 ((y nang) OR (ky nang)) x ho. lieu va tham ((doc va) OR (loc va)) hanh doi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (ky nang)) x ho. lieu va tham ((doc va) OR (loc va)) hanh doi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) OR (ky nang)) x ho. lieu va tham ((doc va) OR (loc va)) hanh doi cua tre*.