Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan sinh c1 snippets" » "nhan sinh co snippets", "nhan sinh cua snippets", "nhan sinh cau snippets", "phan sinh c1 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 sinh c1 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 sinh c1 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan sinh c1 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan sinh c1 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.