Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc tao van slippers" » "duc tan van slippers", "duc tho van slippers", "duc dao van slippers", "duc thao van slippers", "duc tao va slippers", "duc tao van slippery", "duc tao 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: (((("duc tao 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: (((("duc tao van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc tao van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc tao van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.