Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
cau treo » cau theo, cau tren, cau triet
thu sach » thuat sach, thuoc sach, thu hoach
tai cau » tai cac, tai cao
xuc ban » duc ban, cuc ban, quoc ban
tu sach » su sach, te sach, tu cach
cao hoi » cau hoi, co hoi, cao hoc
ty nang » ky nang, ty xang, ty hang
va cao » va cac, va co, va dao
va cam » va cham, va cac, va cai

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