Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
tinh ban » tinh bang, trinh ban, tinh bac
tu sach » thu sach, su sach, te sach
cam loc » cam lo
va tinh » may tinh
hieu va » hieu qua
lai hoi » dai hoi, lai hoa, lai roi
hieu ve » hieu van
ban cua » ban quan
y sang » _ sang, duy sang
loc va » hoc 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: tu sach y sang lai hoi. ((hieu ve) or (((hieu va) OR (lieu va)))) cam loc va tinh ban cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y sang lai hoi. ((hieu ve) OR (((hieu va) OR (lieu va)))) cam loc va tinh ban cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y sang lai hoi. ((hieu ve) or (((hieu va) OR (lieu va)))) cam loc va tinh ban cua vat".
• Adding a wildcard symbol may retrieve word variants: tu sach y sang lai hoi. ((hieu ve) or (((hieu va) OR (lieu va)))) cam loc va tinh ban cua vat*.