Perhaps you should try some spelling variations:
van chat » cao chat
chat doc » chat hoc, chau doc, thuat doc
thi van » thi lan, thi hanh, thi nang
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
doc va » duoc va, hoc va, duc va
cua te » cua tu
x hoi » xa hoi, o hoi, 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 (x ho)). thi van chat doc va hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((x hoi) OR (x ho)). thi van chat doc va hanh vi ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((x hoi) OR (x ho)). thi van chat doc va hanh vi ((cua tre) or (cua te))*".