Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao dinh dh snippets" » "do dinh dh snippets", "dao minh dh snippets", "dao tinh dh snippets", "dao dinh du snippets", "dao sinh dh snippets", "dao dinh da 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 dinh dh 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 dinh dh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao dinh dh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao dinh dh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.