Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu phuc son snippets" » "khu phu son snippets", "khac phuc son snippets", "khao phuc son snippets", "khu phuc hon snippets", "khu phuc sen snippets", "khu phuc dong 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: (((("khu phuc son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu phuc son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu phuc son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu phuc son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.