Perhaps you should try some spelling variations:
su sach » so sach
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
tao hai » tao dai, tao tai, tao hoi
tai hai » thi hai, dai hai, tai ha
ky sang » ky nang, ky dang, ky tang
vu sach » vu bach, vu khach
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
va dan » ca dan, va dao, va dau
dan va » doan va, dan ca, ban va
va cua » va chua, via cua, ca cua
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) or (vu sach)) ky sang ((tao hai) OR (tai hai)). hieu ve cam tuc va dan va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky sang ((tao hai) OR (tai hai)). hieu ve cam tuc va dan va cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu sach)) ky sang ((tao hai) OR (tai hai)). hieu ve cam tuc va dan va cua te".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky sang ((tao hai) OR (tai hai)). hieu ve cam tuc va dan va cua te*.