Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"con chi cong snippets" » "con chi code snippets", "con thi cong snippets", "con cho cong snippets", "con phi cong snippets", "con chim cong snippets", "cong chi cong snippets", "can chi cong 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: (((("con chi cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con chi cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( con chi cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con chi cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.