Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
cau theo » cau thi, cau tao
cham xuc » cam xuc, chat xuc, cham soc
cau treo » cau tren, cau triet, cau trieu
sach thu » sach thue, sach thieu, sach tham
xuc ban » duc ban, cuc ban, quoc ban
sach ty » sach y, sach tu, xach tay
hieu va » lieu va, hieu qua
hang ca » hang va, nang cao, hang tai
va cham » va chat, va tham
ca hoi » cau hoi, cua hoi, xa hoi

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