Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua pha cau snippets" » "qua phan cau snippets", "quan pham cau snippets", "quan phap cau snippets", "qua phap cau snippets", "qua pha cac 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 pha cau 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 pha cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua pha cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua pha cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.