Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh tai » thanh hai, thanh toan, doanh tai
cau tren » cu tren, dau tren, ca tren
cham xuc » cam xuc, chat xuc, cham soc
cau treo » cau theo, cau triet, cau trieu
xuc ban » duc ban, cuc ban, quoc ban
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
cao hoi » cau hoi, co hoi, cao hoc
ty nang » ky nang, ty hang, ly nang
va cham » va chat, va tham

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 (ty xang)) cao hoi. hieu va cham xuc ban thanh tai ((cau treo) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ty xang)) cao hoi. hieu va cham xuc ban thanh tai ((cau treo) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) or (ty xang)) cao hoi. hieu va cham xuc ban thanh tai ((cau treo) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ty xang)) cao hoi. hieu va cham xuc ban thanh tai ((cau treo) OR (cau tren))*.