Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vuon cua chi snippets" » "muon cua chi snippets", "von cua chi snippets", "huong cua chi snippets", "vuon cua chu snippets", "vuon ca chi snippets", "vuon cua cha 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: (((("vuon cua chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vuon cua chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vuon cua chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vuon cua chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.