Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chi cong da snippets" » "chi cong code snippets", "thi cong da snippets", "cho cong da snippets", "phi cong da snippets", "chi cong dan snippets", "chi cong dac snippets", "chi 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: (((("chi 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: (((("chi cong da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chi cong da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi cong da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.