Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap lam dep snippets" » "phap luat dep snippets", "phap luan dep snippets", "phap nham dep snippets", "phap lam sep snippets", "phap lam dien 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: (((("phap lam dep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap lam dep snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap lam dep snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap lam dep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.