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