Perhaps you should try some spelling variations:
sang tao » hang tai
hieu van » hieu va, thien van, lieu va
su sach » so sach
tao hai » tao dai, tao tai, tai hai
hieu ve » hieu va
ky sang » ky nang, ky dang, ky tang
vu sach » vu bach, vu khach
cam tu » cam thu, nam tu, dam tu
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. ((hieu ve) or (hieu van)) cam tu 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. ((hieu ve) OR (hieu van)) cam tu va dan va cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky sang tao hai. ((hieu ve) or (hieu van)) cam tu va dan va cua te*.