Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuoc doi can snippets" » "cuoc doi canh snippets", "cuoc doi ban snippets", "cuoc voi can snippets", "quoc doi can snippets", "duoc doi can 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: (((("cuoc doi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoc doi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoc doi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc doi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.