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