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