Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi tai do snippets" » "phoi tai do snippets", "pham tai do snippets", "phi thai do snippets", "phi tai co snippets", "phi tai 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: (((("phi tai do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi tai do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi tai do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi tai do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.