Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nghe tao cau snippets" » "nghe tao code snippets", "nghe cao cau snippets", "nghe tan cau snippets", "nghe bao cau snippets", "nghe tao cu snippets", "nghe tao cao snippets", "nghe tao sau 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 tao cau 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 tao cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nghe tao cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghe tao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.