Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi tan voi snippets" » "chi toan voi snippets", "chi van voi snippets", "chi dan voi snippets", "chi than voi snippets", "chi ban voi snippets", "chi tan hoi 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 tan voi 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 tan voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi tan voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi tan voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.