Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van thi ben slippers" » "van tai ben slippers", "dan thi ben slippers", "van thu ben slippers", "van chi ben slippers", "van khi ben slippers", "van toi ben slippers", "van thi ben slippery", "van thi ben 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.

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