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