Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh tai » thanh tai, hang tai, han tai
co sach » bo sach, cuon sach, hoc sach
nang ho » nang hoc, nang co, tang ho
hieu ve » hieu va
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
tai cua » thai cua, tai cuc, tri cua
y nang » ky nang, ly nang, v nang
ho hai » hoc hai, pho hai, cho hai
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: co sach y nang ho hai. ((hieu ve) OR (hieu van)) cam ((xuc van) OR (duc van)) hanh tai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sach y nang ho hai. ((hieu ve) OR (hieu van)) cam ((xuc van) or (duc van)) hanh tai cua te~".
• Adding a wildcard symbol may retrieve word variants: co sach y nang ho hai. ((hieu ve) OR (hieu van)) cam ((xuc van) or (duc van)) hanh tai cua te*.