Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung hoa du snippets" » "dung hoa code snippets", "dung khoa du snippets", "duong hoa du snippets", "dung hoai du snippets", "dung hoa dau snippets", "dung hoa lu snippets", "dung hoa su 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 ("dung hoa du snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung hoa du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dung hoa du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dung hoa du snippets"))) or ("locating bug core snippets"))*.