Perhaps you should try some spelling variations:
day thanh » dao thanh, dat thanh, da thanh
thien van » thi van
xanh hanh » danh thanh, ban hanh, van hanh
te sach » toc sach
cuu tre » cua tre, cau tren, cau treo
sach ky » sac ky, sach y, sach ty
cam tu » cam thu, dam tu, tam tu
va cuu » va cau, va chu, va huu
nam tu » nam thu, nam thuc

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 ky nang x ho. thien van ((cam tu) or (nam tu)) ((day thanh) or (xanh hanh)) va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x ho. thien van ((cam tu) OR (nam tu)) ((day thanh) OR (xanh hanh)) va cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x ho. thien van ((cam tu) or (nam tu)) ((day thanh) or (xanh hanh)) va cuu tre*.