Perhaps you should try some spelling variations:
sang tao » hang tai
tao hoat » cao hoat, tao hoa, toan hoat
su sach » vu sach
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va
ky sang » ky nang, ky dang, ky tang
so sach » so sanh, bo sach, co sach
tuc va » thuc va, truc va, tuc xa
va dan » ca dan, va dao, va dau
dan vi » doan vi, don vi, dan va
vi cua » vai cua, di 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 (so sach)) ky sang tao hoat. ((hieu va) or (hieu qua)) cam tuc va dan vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky sang tao hoat. ((hieu va) OR (hieu qua)) cam tuc va dan vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky sang tao hoat. ((hieu va) or (hieu qua)) cam tuc va dan vi cua te*.