Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nghe tu can snippets" » "nghe tu code snippets", "nghe thu can snippets", "nghe xu can snippets", "nghi tu can snippets", "nghe tu ban snippets", "nghe tu cac snippets", "nghe 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: (((("nghe 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: (((("nghe tu can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nghe tu can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghe tu can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.