Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va cac ngoc slippers" » "va cac nuoc slippers", "va cao ngoc slippers", "va van ngoc slippers", "va cac ngoc slippery", "va cac ngoc 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: (((("va cac ngoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va cac ngoc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va cac ngoc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va cac ngoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.