Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc hat cu snippets" » "duc phat cu snippets", "duc hau cu snippets", "duc ha cu snippets", "duc hat cua snippets", "duc bat cu snippets", "duc hat ca 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: (((("duc hat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc hat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc hat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc hat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.