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