Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat dan mon snippets" » "hat dan mon snippets", "phan dang mon snippets", "pham dang mon snippets", "phat dap mon snippets", "phat dan dong snippets", "phat dong mon 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: (((("phat dan mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat dan mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat dan mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat dan mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.