Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc pham doi snippets" » "toc pham code snippets", "tac pham doi snippets", "toc cham doi snippets", "toi pham doi snippets", "toc pham do snippets", "toc pham moi snippets", "toc pham voi snippets"
"python using java snippets" » "python using data 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: (((("toc pham doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc pham doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toc pham doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc pham doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.