Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan than so snippets" » "tan thanh so snippets", "tan tran so snippets", "ban than so snippets", "tan than sao snippets", "tan than vo snippets", "tan than go 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 than so 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 than so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan than so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan than so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.