Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nen su can snippets" » "nien su can snippets", "den su can snippets", "nen su van snippets", "nen su cao snippets", "nen su han snippets"
"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: (((("nen su can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nen su can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nen su can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nen su can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.