Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
tu sach » thu sach, su sach, te sach
thi van » thi lan, thi hanh, thi nang
lam duc » lam duoc, pham duc, nam duoc
duc gia » quoc gia
cuu tre » cua tre, cau tren, cau treo
y nang » ly nang, v nang, may nang
de cuu » de cua

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)) xa hoi. ((thien van) or (thi van)) lam duc gia thanh de cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ky nang)) xa hoi. ((thien van) OR (thi van)) lam duc gia thanh de cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (ky nang)) xa hoi. ((thien van) or (thi van)) lam duc gia thanh de cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) OR (ky nang)) xa hoi. ((thien van) or (thi van)) lam duc gia thanh de cuu tre*.