Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao luc doi snippets" » "dao duc doi snippets", "dao tuc doi snippets", "bao luc doi snippets", "dao luoc doi snippets", "dao lua doi snippets", "dao luc moi 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 luc doi 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 luc doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao luc doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao luc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.