Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vung dai o snippets" » "vung dat o snippets", "vung doi o snippets", "hung dai o snippets", "vung dai so snippets", "vung dao o snippets", "vung dai 2 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 dai o 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 dai o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vung dai o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung dai o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.