Perhaps you should try some spelling variations:
thanh mai » thanh hai, thanh tai, thanh moi
va thieu » va thiet, va hieu, va tieu
xuc gia » duc gia, luc gia, tuc gia
ve cham » va cham, ve chat, vu cham
su sach » so sach, vu sach
mai hoi » mai khoi, dai hoi, lai hoi
y lang » _ lang, tay lang, yen lang
ve cam » ve cac, va cam, ve cai
o lang » hoa lang, hoi lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((y lang) OR (o lang)) mai hoi. hieu ((ve cam) or (ve cham)) xuc gia thanh mai va thieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y lang) OR (o lang)) mai hoi. hieu ((ve cam) OR (ve cham)) xuc gia thanh mai va thieu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y lang) OR (o lang)) mai hoi. hieu ((ve cam) or (ve cham)) xuc gia thanh mai va thieu".
• Adding a wildcard symbol may retrieve word variants: su sach ((y lang) OR (o lang)) mai hoi. hieu ((ve cam) or (ve cham)) xuc gia thanh mai va thieu*.