Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chen how can snippets" » "chen how code snippets", "china how can snippets", "hen ho can snippets", "che ho can snippets", "chen hoc can snippets", "chen khoa can snippets", "chen khoi can 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 how 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 how can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chen how can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chen how can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.