Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, tu cach
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu va, hieu van
ky sang » ky nang, ky dang, ky tang
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
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) or (te sach)) ky sang ma hoi. hieu ve cam ((xuc va) or (loc va)) hanh vai cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky sang ma hoi. hieu ve cam ((xuc va) OR (loc va)) hanh vai cua vat.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky sang ma hoi. hieu ve cam ((xuc va) or (loc va)) hanh vai cua vat*.