Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua phuc do snippets" » "xuan phuc do snippets", "qua huy do snippets", "huu phuc do snippets", "qua phuc co snippets", "qua phac do snippets", "qua phu do 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 phuc do 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 phuc do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua phuc do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua phuc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.