Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vung tau da snippets" » "dung tai da snippets", "vung dat da snippets", "vung va da snippets", "vung tac da snippets", "vung dau da snippets", "vung thu da 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: (((("vung tau 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: (((("vung tau da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vung tau da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung tau da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.