Perhaps you should try some spelling variations:
danh ban » doanh ban, danh bat, danh bac
dang gap » dang giao, dang van, dang xay
gap phoi » cap phoi, gap phai, cay phoi
cac xuc » cac nuoc, chat xuc, cac cuoc
ban cua » ban quan
va danh » va dinh, va dan, va hanh
sach ky » sac ky, sach ty, sach kem
cua tre » cua te, cuu tre, cua triet

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 ky) or (sach y)) dang gap phoi. hieu qua ((cac xuc) OR (cam xuc)) va danh ban cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) dang gap phoi. hieu qua ((cac xuc) OR (cam xuc)) va danh ban cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach y)) dang gap phoi. hieu qua ((cac xuc) OR (cam xuc)) va danh ban cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) dang gap phoi. hieu qua ((cac xuc) OR (cam xuc)) va danh ban cua tre*.