Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan nao noi snippets" » "tan nam noi snippets", "tan rao noi snippets", "tan tao noi snippets", "tan dao noi snippets", "tan nang noi 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: (((("tan nao noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan nao noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan nao noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan nao noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.