Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi anh dong snippets" » "noi anh huong snippets", "noi anh son snippets", "nuoi anh dong snippets", "doi anh dong snippets", "nguoi anh dong 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 anh dong 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 anh dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi anh dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi anh dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.