Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
vu cham » va cham, vu kham, tu cham
lai cua » dai cua, hai cua, lai chau
duc van » duc va, duc tan, duc manh
ve chim » va chim, ve chinh, te chiem
ve cham » va cham, ve chat, viet cham
sang ma » tang ma, nang ma, sang tao
y sang » _ sang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y sang ma hoi. hieu ((((ve cham) or (ve chim))) or (vu cham)) duc van hanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y sang ma hoi. hieu ((((ve cham) OR (ve chim))) OR (vu cham)) duc van hanh lai cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach y sang ma hoi. hieu ((((ve cham) or (ve chim))) or (vu cham)) duc van hanh lai cua te*.