Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
hanh doi » thanh doi, hanh noi, hang doi
hieu ve » hieu van
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, xuc ban
doi cua » dai cua, hoi cua, dong cua
cua tre » cua te, cuu tre, cua triet
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) OR (hieu va)) cham xuc van hanh doi cua 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) OR (hieu va)) cham xuc van hanh doi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((o hoi) or (x ho)). ((hieu ve) OR (hieu va)) cham xuc van hanh doi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((o hoi) or (x ho)). ((hieu ve) OR (hieu va)) cham xuc van hanh doi cua tre*.