Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van du lang slippers" » "van dua lang slippers", "van cu lang slippers", "van tu lang slippers", "van duy lang slippers", "van dau lang slippers", "van de lang slippers", "van du lang slippery", "van du lang grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: (((("van du lang slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( van du lang slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van du lang slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.