Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van ngu dan slippers" » "han ngu dan slippers", "van nga dan slippers", "van ngo dan slippers", "van ngu danh slippers", "van ngu van slippers", "van nguoi dan slippers", "van ngu dan slippery", "van ngu dan 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 ngu dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( van ngu dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van ngu dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.