Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
dau tren » dau tien, dat tren, dau tieng
so sach » so sanh, bo sach, co sach
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu va, hieu van
vai dau » va dau, van dau, xvii dau
y sang » _ sang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
xuc va » tuc va, luc va, xac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y sang ma hoi. hieu ve cam ((xuc va) or (duc va)) hanh vai dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y sang ma hoi. hieu ve cam ((xuc va) OR (duc va)) hanh vai dau tren.
• Adding a wildcard symbol may retrieve word variants: so sach y sang ma hoi. hieu ve cam ((xuc va) or (duc va)) hanh vai dau tren*.