Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung khac mo snippets" » "dung khac code snippets", "dung khach mo snippets", "dung khoc mo snippets", "dung khang mo snippets", "dung khac do snippets", "dung khac co snippets", "dung khai mo 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: (((("dung khac mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung khac mo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung khac mo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung khac mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.