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