Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ivan dao van slippers" » "van dao van slippers", "va dao van slippers", "van dau van slippers", "ivan dang van slippers", "ivan dao van slippery", "ivan dao van grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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