Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc su doi snippets" » "duc su code snippets", "duc suc doi snippets", "duoc su doi snippets", "duc suu doi snippets", "duc sua doi snippets", "duc su dai snippets", "duc tu doi 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: (((("duc su 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: (((("duc su doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duc su doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc su doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.