Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua phan can snippets" » "cua phan can snippets", "qua than can snippets", "quang phan can snippets", "qua phan cang snippets", "qua phan van snippets", "qua phan 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 phan 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: (((("qua phan can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua phan can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua phan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.