Perhaps you should try some spelling variations:
thanh vinh » thanh binh, thanh tinh, than kinh
ban thanh » ban hanh, ban hang
chat hoc » chat hoa, chat thom, cho hoc
vinh cuu » dinh cuu, sinh cua, dinh cu
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
hoc ban » hoc bang, hoc dan, hoc bai
cuu tre » cua tre, cau tren, cau treo
o hoi » co hoi, o hoc, o hai

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 (x ho)). hieu ve chat hoc ban thanh vinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((o hoi) OR (x ho)). hieu ve chat hoc ban thanh vinh cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((o hoi) or (x ho)). hieu ve chat hoc ban thanh vinh cuu tre*.