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