Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi tich mot snippets" » "di tich mot snippets", "doi tinh mot snippets", "doi trinh mot snippets", "doi tich hoat snippets", "doi tnhh mot snippets", "doi tich so 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: (((("doi tich mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi tich mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi tich mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tich mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.