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