Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
cau treo » cau theo, cau tren, cau triet
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
soc gia » toc gia, hoc gia, so gia
cuu tre » cua tre, cau tren
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 cham soc gia thanh tinh ((cuu tre) OR (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((o hoi) OR (x ho)). hieu ve cham soc gia thanh tinh ((cuu tre) OR (cau treo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((o hoi) or (x ho)). hieu ve cham soc gia thanh tinh ((cuu tre) OR (cau treo))".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((o hoi) or (x ho)). hieu ve cham soc gia thanh tinh ((cuu tre) OR (cau treo))*.