Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong da hoa snippets" » "dong da code snippets", "dong dat hoa snippets", "dong dao hoa snippets", "dong ha hoa snippets", "dong da khoa snippets", "dong dai hoa snippets", "dong day hoa 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: (((("python using java snippets") or ("dong da hoa snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dong da hoa snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dong da hoa snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dong da hoa snippets"))) or ("locating bug core snippets"))*.