Perhaps you should try some spelling variations:
chat doc » chat hoc, chau doc, thuat doc
van chat » cao chat
thi van » thi lan, thi hanh, thi nang
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
doc va » duoc va, hoc va, duc va
vi cua » vai cua, di cua
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang ((x hoi) OR (xa hoi)). thi van chat doc va hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((x hoi) OR (xa hoi)). thi van chat doc va hanh vi cua tre*".