Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nin thi hoa snippets" » "nhin thi hoa snippets", "ninh thi hoa snippets", "ninh thai hoa snippets", "nin thi hoan snippets", "nin thi ha snippets", "nin thi hong 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: (((("nin thi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nin thi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nin thi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nin thi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.