Perhaps you should try some spelling variations:
dong hoc » dong co, dong luc
cham xuc » chat xuc, cham soc, pham duc
thanh ha » thanh hoa, thanh hai, nhanh ha
thanh va » thanh van, hanh va, thanh ve
cua tre » cua te, cuu tre, cua triet
ky dong » ly dong, ky dang, ky cong
hoc hoi » hoc khoi, hoc hoa, hoc noi
hieu tu » chieu tu, hieu tuc, hien tu
so sac » so sach, so dac
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sac ky dong hoc hoi. hieu tu ((cham xuc) or (cam xuc)) van ((thanh va) OR (thanh ha)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky dong hoc hoi. hieu tu ((cham xuc) OR (cam xuc)) van ((thanh va) OR (thanh ha)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac ky dong hoc hoi. hieu tu ((cham xuc) or (cam xuc)) van ((thanh va) OR (thanh ha)) cua tre".
• Adding a wildcard symbol may retrieve word variants: so sac ky dong hoc hoi. hieu tu ((cham xuc) or (cam xuc)) van ((thanh va) OR (thanh ha)) cua tre*.