Perhaps you should try some spelling variations:
hinh thai » sinh thai, tinh thai, dinh thi
nang hoi » nang noi, nang hoc, nang ho
van hinh » van chinh, van thinh, van minh
tu sach » thu sach, su sach, te sach
hoi hoi » hoi hoc, hoc hoi, hoi doi
hieu ve » hieu va, hieu van
cua tre » cuu tre, cua triet, dua tren
cac xuc » cac nuoc, chat xuc, cac cuoc
sach ky » sac ky, sach y, sach ty
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: tu sach ky nang hoi hoi. hieu ve ((cac xuc) or (cam xuc)) van hinh thai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang hoi hoi. hieu ve ((cac xuc) OR (cam xuc)) van hinh thai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang hoi hoi. hieu ve ((cac xuc) or (cam xuc)) van hinh thai ((cua tre) or (cua te))*.