Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha nam dan slippers" » "pham nam dan slippers", "ha nam dan slippers", "pho nam dan slippers", "pha nam dinh slippers", "pha nam dan slippery", "pha nam 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: (((("pha nam 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: (((("pha nam dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha nam dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha nam dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.