Perhaps you should try some spelling variations:
dau tien » van tien
hanh lai » hanh lam, hanh tai, thanh lap
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
hieu ve » hieu van
hang xa » hoang xa, hang va, hang ca
ty hang » ly hang, ty xang, thi hang
hieu va » lieu va, hieu qua
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty hang xa hoi. ((hieu ve) or (hieu va)) cam xuc va hanh lai ((cua tre) or (dau tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty hang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh lai ((cua tre) OR (dau tien)).
• Adding a wildcard symbol may retrieve word variants: su sach ty hang xa hoi. ((hieu ve) or (hieu va)) cam xuc va hanh lai ((cua tre) or (dau tien))*.