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