Perhaps you should try some spelling variations:
thanh thai » thanh hai, nhanh thai, thanh thao
thanh tai » thanh hai, thanh toan, doanh tai
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
sach tu » sach thu, cach tu, sach ty
cam duc » cao duc, pham duc, nam duoc
hieu va » lieu va, hieu qua
tu hang » thu hang, tu hanh, tu hung
va hoi » xa hoi, va hoc, va hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach tu hang va hoi. hieu va ((cam duc) OR (cam xuc)) ban ((thanh thai) or (thanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu hang va hoi. hieu va ((cam duc) OR (cam xuc)) ban ((thanh thai) OR (thanh tai)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu hang va hoi. hieu va ((cam duc) OR (cam xuc)) ban ((thanh thai) or (thanh tai)) cua tre*".