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