Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao pham do snippets" » "dao phat do snippets", "hao pham do snippets", "duoc pham do snippets", "dao pham doi snippets", "dao pham mo snippets", "dao pham o 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 pham do 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 pham do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao pham do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao pham do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.