Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua cong hon snippets" » "cua cong hon snippets", "qua song hon snippets", "va cong hon snippets", "qua cong hoan snippets", "qua cong hoa snippets", "qua cong lon 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: (((("qua cong hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua cong hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua cong hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua cong hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.