Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban su mong snippets" » "ban su song snippets", "ban su cong snippets", "ban su dong snippets", "ban sua mong snippets", "dan su mong snippets", "van su mong 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: (((("ban su mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban su mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban su mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban su mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.