Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc do van slippers" » "duoc dao van slippers", "duoc co van slippers", "duoc vo van slippers", "duoc so van slippers", "duoc do van slippery", "duoc do 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: (((("duoc do 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: (((("duoc do van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc do van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc do van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.