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