Perhaps you should try some spelling variations:
dung sai » dung tai, dung va, dung dat
danh vai » danh sai, danh va, doanh van
su sach » so sach, vu sach
sang ma » tang ma, nang ma, sang tao
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
y sang » _ sang, duy sang
ve cam » ve cham, va cam, ve cai
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: su sach y sang ma hoi. hieu ((ve cam) OR (ve cac)) xuc va ((danh vai) or (dung sai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y sang ma hoi. hieu ((ve cam) OR (ve cac)) xuc va ((danh vai) OR (dung sai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y sang ma hoi. hieu ((ve cam) OR (ve cac)) xuc va ((danh vai) or (dung sai)) cua te".
• Adding a wildcard symbol may retrieve word variants: su sach y sang ma hoi. hieu ((ve cam) OR (ve cac)) xuc va ((danh vai) or (dung sai)) cua te*.