Perhaps you should try some spelling variations:
xuat tuc » xuat thuc, luat tuc, xuat tu
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
va xuat » van xuat, va luat, san xuat
hanh di » hanh de, hang di, danh di
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (su sach)) ky nang x ho. hieu va xuat tuc va ((hanh di) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang x ho. hieu va xuat tuc va ((hanh di) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang x ho. hieu va xuat tuc va ((hanh di) or (hanh vi)) cua tre*.