Perhaps you should try some spelling variations:
danh vai » danh sai, danh va, doanh van
sach ty » sach y, sach tu, sach thu
vai cua » dai cua, hai cua, lai cua
te sach » toc sach
hoa hoi » khoa hoi, hoa hoc, hoa doi
ty lang » tay lang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
va cau » van cau, va cac, va dau
xac va » tac va, ac va, bac va
ha hoi » ha noi, xa hoi, va hoi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty lang ((ha hoi) OR (hoa hoi)). lieu va cau ((xac va) OR (duc va)) danh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty lang ((ha hoi) OR (hoa hoi)). lieu va cau ((xac va) or (duc va)) danh vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ty lang ((ha hoi) OR (hoa hoi)). lieu va cau ((xac va) or (duc va)) danh vai cua tre*.