Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"luan van lieu snippets" » "luan vat lieu snippets", "luan van hieu snippets", "luan van lien snippets", "quan van lieu snippets", "lan van lieu snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("luan van lieu snippets"))) OR ("locating bug code slippers"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( luan van lieu snippets ))) or ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("luan van lieu snippets"))) or ("locating bug code slippers"))*.