Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"da luoc can snippets" » "da luc canh snippets", "da hoc can snippets", "da luoc dai snippets", "dai luoc can snippets", "da duoc can snippets", "da quoc 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: (((("da luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("da luoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( da luoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("da luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.