Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao nghi don snippets" » "dao nguoi don snippets", "dau nghia don snippets", "dao thi don snippets", "dao nghi lon snippets", "dao nghia dong snippets", "dao nghiep don 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: (((("dao nghi don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao nghi don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao nghi don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao nghi don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.