Perhaps you should try some spelling variations:
tinh dai » trinh dai, tinh da, tinh hai
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va tinh » may tinh
cua tre » cua te, cuu tre, cua triet
co hoi » co hoc, co loi
soc va » hoc va, loc va, doc va
o hoi » o hoc, o hai, o hoa

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 ((((o hoi) OR (co hoi))) or (x ho)). hieu ve cham soc va tinh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((((o hoi) OR (co hoi))) OR (x ho)). hieu ve cham soc va tinh dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((((o hoi) OR (co hoi))) or (x ho)). hieu ve cham soc va tinh dai cua tre*".