Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu liem da snippets" » "phuc liem da snippets", "phuc kiem da snippets", "tu liem da snippets", "phu liem ha snippets", "phu lieu da snippets", "phu lieu dao 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: (((("phu liem da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu liem da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu liem da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu liem da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.