Perhaps you should try some spelling variations:
xanh hanh » danh thanh, ban hanh, van hanh
manh hanh » danh thanh, minh thanh, manh huynh
toc sach » hoc sach, doc sach, thuoc sach
cac cuoc » cac nuoc, ca cuoc, cac quoc
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ty hang » ly hang, ty xang, thi hang
ma hoi » mai hoi, ma hoa, me hoi
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ty hang ((ma hoi) OR (xa hoi)). hieu ve cac cuoc ((manh hanh) or (xanh hanh)) vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty hang ((ma hoi) OR (xa hoi)). hieu ve cac cuoc ((manh hanh) OR (xanh hanh)) vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty hang ((ma hoi) OR (xa hoi)). hieu ve cac cuoc ((manh hanh) or (xanh hanh)) vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: toc sach ty hang ((ma hoi) OR (xa hoi)). hieu ve cac cuoc ((manh hanh) or (xanh hanh)) vai cuu tre*.