Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
toc sach » hoc sach, doc sach, thuoc sach
dang mam » dang nam, dang mau, dang mat
xuc ban » duc ban, cuc ban, quoc ban
hieu va » lieu va, hieu qua
hieu ve » hieu van
mam hoi » mam hoai, nam hoi, mai hoi
ky dang » ky nang, ky danh
buu tre » cuu tre

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (toc sach)) ky dang mam hoi. ((hieu ve) or (hieu va)) cam xuc ban thanh tai buu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky dang mam hoi. ((hieu ve) OR (hieu va)) cam xuc ban thanh tai buu tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky dang mam hoi. ((hieu ve) or (hieu va)) cam xuc ban thanh tai buu tre*.