Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong chu con snippets" » "cong chuc con snippets", "cong chua con snippets", "cong cu con snippets", "cong chi con snippets", "cong cho con snippets", "cong chuc cong 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 chu con 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 chu con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong chu con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.