Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc phuc hon snippets" » "dum phuc hon snippets", "duc phung hon snippets", "duc suc hon snippets", "duc phuc hoi snippets", "duc phuc hoa snippets", "duc phuc hoc 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: (((("duc phuc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc phuc hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc phuc hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc phuc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.