Perhaps you should try some spelling variations:
tru nang » tra nang, tri nang, truc nano
hanh lai » hanh lam, hanh tai, thanh lap
sach tru » sach truc, sach thu, sach tu
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
va cao » va co, va dao, va bao
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, ma hoa, me hoi

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 tru nang ((ma hoi) or (xa hoi)). hieu ((va cac) or (va cao)) xuc va hanh lai cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tru nang ((ma hoi) OR (xa hoi)). hieu ((va cac) OR (va cao)) xuc va hanh lai cua vat.
• Adding a wildcard symbol may retrieve word variants: tu sach tru nang ((ma hoi) or (xa hoi)). hieu ((va cac) or (va cao)) xuc va hanh lai cua vat*.