Perhaps you should try some spelling variations:
thanh ban » thanh san, thanh van, thanh bac
tan thanh » tran thanh, tang thanh, toan thanh
tang van » dang van, hoang van, trong van
cua tre » cua te, cuu tre, cua triet
ban cua » ban quan
cam duc » cao duc, pham duc, nam duoc
hieu ve » hieu va, hieu van
van hoi » van hoa, van hoc, van hoe
ky tang » ky nang, ky dang, kho tang
su xac » pu xac, su cac
su sac » su sach, su cac

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

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