Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"php ca nghe snippets" » "php cap nghe snippets", "php cua nghe snippets", "php cac nghe snippets", "phap ca nghe snippets", "php va nghe snippets", "phap cac nghe snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("php ca nghe snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("php ca nghe snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( php ca nghe snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("php ca nghe snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.