Perhaps you should try some spelling variations:
vien cac » vien bach, vien da, gian cac
vien dai » hien dai
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
xang ma » tang ma, nang ma, sang ma
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, xa hoi, ma hoa
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: tu sach ty xang ma hoi. hieu ((vien cac) OR (vien dai)) xuc va hanh vai cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty xang ma hoi. hieu ((vien cac) OR (vien dai)) xuc va hanh vai cua vat".
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang ma hoi. hieu ((vien cac) OR (vien dai)) xuc va hanh vai cua vat*.