Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nghe chan co snippets" » "nghe chan code snippets", "nghe nhan co snippets", "nghe phan co snippets", "nghiep chan co snippets", "nghe chan cho snippets", "nghe chuan co snippets", "nghe chat co 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: (((("nghe chan co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghe chan co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nghe chan co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghe chan co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.