Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan xa doi snippets" » "dan xa code snippets", "dan xac doi snippets", "dan xay doi snippets", "dan ca doi snippets", "dan xoa doi snippets", "dan xa hoi snippets", "dan xa dai 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: (((("dan xa 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: (((("dan xa doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan xa doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan xa doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.