Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung song da snippets" » "dung cong da snippets", "dung dong da snippets", "vung song da snippets", "dung song xa snippets", "dung song va snippets", "dung song cua 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: (((("dung song da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung song da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung song da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung song da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.