Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu phuc cua snippets" » "khu phu cua snippets", "khac phuc cua snippets", "khao phuc cua snippets", "khu thuc cua snippets", "khu hoc cua snippets", "khu phuc vu 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 cua 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 cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu phuc cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu phuc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.