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