Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi cua con snippets" » "chi cuc con snippets", "khi cua con snippets", "cuoi cua con snippets", "chi cua cong snippets", "chi cua co snippets", "chi cua can 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: (((("chi cua con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi cua con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi cua con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi cua con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.