Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thieu nien » thien nhien
nien dat » nen dat, mien dat, nien dau
van hanh » van thanh, ban hanh, van anh
xay hoi » tay hoi, cay phoi, gay thoi
va hanh » va thanh, va danh, ban hanh
y dang » ky dang, 2 dang, _ dang
cua te » cua tu
nuoc » quoc, duoc, ngoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y dang ((xay hoi) OR (xa hoi)). thieu nien dat nuoc ((va hanh) or (van hanh)) dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y dang ((xay hoi) OR (xa hoi)). thieu nien dat nuoc ((va hanh) OR (van hanh)) dai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y dang ((xay hoi) OR (xa hoi)). thieu nien dat nuoc ((va hanh) or (van hanh)) dai cua te".
• Adding a wildcard symbol may retrieve word variants: thuat sach y dang ((xay hoi) OR (xa hoi)). thieu nien dat nuoc ((va hanh) or (van hanh)) dai cua te*.