Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha dung con snippets" » "pham dung con snippets", "phan dung con snippets", "kha dung con snippets", "pha dung cong snippets", "pha dung von snippets", "pha dung co 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: (((("pha dung con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha dung con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha dung con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha dung con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.