Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
sang tao » hang tai
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
ky sang » ky nang, ky dang, ky tang
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu va, hieu van
cua tre » cuu tre, cua triet, dua tren
sach ky » sac ky, sach y, sach ty
cam vuc » cam xuc
vuc van » duc van, luc van, thuc van
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 ky sang tao hoi. ((hieu ve) or (lieu va)) cam vuc van hanh vai ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky sang tao hoi. ((hieu ve) OR (lieu va)) cam vuc van hanh vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky sang tao hoi. ((hieu ve) or (lieu va)) cam vuc van hanh vai ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach ky sang tao hoi. ((hieu ve) or (lieu va)) cam vuc van hanh vai ((cua tre) OR (cua te))*.