Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
toc sach » hoc sach, doc sach, thuoc sach
nang mai » nang ma, nang tai, lang mai
minh vai » minh va, minh hai, minh ai
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
mai hoi » mai khoi, dai hoi, lai hoi
dai xuc » dai xu, dai luoc, dai thuc
xuc van » duc van, luc van, vuc van
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ty nang mai hoi. ((hieu hien) or (thien nhien)) dai xuc van minh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty nang mai hoi. ((hieu hien) OR (thien nhien)) dai xuc van minh vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: toc sach ty nang mai hoi. ((hieu hien) or (thien nhien)) dai xuc van minh vai cuu tre*.