Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han dan ve snippets" » "nhan dan ve snippets", "han danh ve snippets", "shan dan ve snippets", "han ban ve snippets", "han dan va snippets", "han dan viet 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: (((("han dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han dan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han dan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.