Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
hanh tai » thanh tai, hang tai, han tai
cham duc » pham duc, cham soc, pham duy
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
hieu ve » hieu van
cua tre » cua te, cuu tre, cua triet
ang xa » lang xa, mang xa, dang xay
ty ang » ty xang, ty hang, ty anh

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 ty ang xa hoi. ((hieu ve) or (hieu va)) cham duc tan ((thanh lap) or (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ang xa hoi. ((hieu ve) OR (hieu va)) cham duc tan ((thanh lap) OR (hanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ang xa hoi. ((hieu ve) or (hieu va)) cham duc tan ((thanh lap) or (hanh tai)) cua tre*.