Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ca doc snippets" » "nhan cua doc snippets", "nhan va doc snippets", "nhap ca doc snippets", "nhan co doc snippets", "nhan chat doc 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: (((("nhan ca doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan ca doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ca doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ca doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.