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