Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van tham » van thanh, van tuan, van chat
tham xuc » tham nuoc, tham thuc, pham duc
hanh hai » thanh hai, nhanh hai, hang hai
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cao hoi » cau hoi, co hoi, cao hoc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
xuc va » duc va, tuc va, luc va

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 cao hoi. hieu van tham xuc va hanh hai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang cao hoi. hieu van tham xuc va hanh hai ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang cao hoi. hieu van tham xuc va hanh hai ((cua tre) OR (cuu tre))*.