Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
hieu va » lieu va, hieu qua
cac xuc » cac nuoc, chat xuc, cac cuoc
va hanh » van hanh, va thanh, va danh
dai cuu » dai cua, dai huu
cuu tre » cua tre, cau tren, cau treo
x hoi » xa hoi, o hoi, 5 hoi

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 ty hang ((x hoi) or (x ho)). hieu va ((cac xuc) OR (cam xuc)) va hanh dai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty hang ((x hoi) OR (x ho)). hieu va ((cac xuc) OR (cam xuc)) va hanh dai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty hang ((x hoi) or (x ho)). hieu va ((cac xuc) OR (cam xuc)) va hanh dai cuu tre*".