Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac ham hon snippets" » "cac cam hon snippets", "cac hat hon snippets", "cac nhan hon snippets", "cac tam hon snippets", "cac hay hon snippets", "cac nam hon 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: (((("cac ham hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac ham hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac ham hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac ham hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.