Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do ung co snippets" » "do luong co snippets", "do trung co snippets", "do quang co snippets", "do dung co snippets", "do dung cho snippets", "do duong co 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: (((("do ung co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do ung co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do ung co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do ung co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.