Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"da nghe doc snippets" » "da nghe duoc snippets", "da nghe duc snippets", "da nghe hoc snippets", "day nghe doc snippets", "va nghe doc snippets", "dang nghe doc 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 nghe doc 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 nghe doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( da nghe doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("da nghe doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.