Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao cac toi snippets" » "khai cac toi snippets", "cho cac toi snippets", "khao sat toi snippets", "khao cac thoi 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: (((("khao cac toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khao cac toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao cac toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao cac toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.