Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
chat xuc » chat huu, cam xuc, chao xu
hieu va » lieu va, hieu qua
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
hieu ve » hieu van
ty nang » ty xang, ty hang, ly nang
anh va » hanh va
va cau » van cau, va cac, va dau
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ty nang) OR (ky nang)) x hoi. ((hieu ve) or (hieu va)) chat xuc van anh va cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ky nang)) x hoi. ((hieu ve) OR (hieu va)) chat xuc van anh va cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) OR (ky nang)) x hoi. ((hieu ve) or (hieu va)) chat xuc van anh va cau tren".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) OR (ky nang)) x hoi. ((hieu ve) or (hieu va)) chat xuc van anh va cau tren*.