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