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