Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong lon co snippets" » "cong luong co snippets", "cong dong co snippets", "cong cong co snippets", "cong lon con snippets", "cong con co snippets", "cong lon vo 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 lon co 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 lon co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong lon co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong lon co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.