Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
phat xuc » chat xuc, phat xuat, phap xu
vanh dai » van dai, vanh tai, lanh dao
hanh dai » hanh tai, hanh dao, thanh dat
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cuu tre » cua tre, cau tren
te sach » toc sach
nang o » nang co, nang ho, nang ro
o hai » co hai, so hai, o lai

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 ty nang o hai. hieu va phat xuc van ((hanh dai) OR (vanh dai)) ((cuu tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang o hai. hieu va phat xuc van ((hanh dai) OR (vanh dai)) ((cuu tre) OR (cau treo))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang o hai. hieu va phat xuc van ((hanh dai) OR (vanh dai)) ((cuu tre) or (cau treo))*".