Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ca thu cham snippets" » "ca thi cham snippets", "ca tu cham snippets", "ca thu pham snippets", "cac thu cham snippets", "cam thu cham snippets", "ca tru cham 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: (((("ca thu cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ca thu cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ca thu cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ca thu cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.