Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban lam son snippets" » "bang lam son snippets", "van lam son snippets", "ban ham son snippets", "ban lam san snippets", "ban lam sang snippets", "ban lang son 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 lam son 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 lam son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban lam son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban lam son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.