Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong ki can snippets" » "cong kim can snippets", "cong khi can snippets", "cong li can snippets", "cong i can snippets", "cong khoi can snippets", "cong kinh can snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("cong ki can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong ki can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ki can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ki can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.