Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nghi tu can snippets" » "nghi tu code snippets", "nghia tu can snippets", "nghi thuc can snippets", "nghiep tu can snippets", "nghi tu ban snippets", "nghi tu cac snippets", "nghi su can 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: (((("nghi tu can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghi tu can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nghi tu can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghi tu can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.