Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vung bai so snippets" » "vung bao so snippets", "dung bai so snippets", "cung bai so snippets", "vung dai so snippets", "vung tai so snippets", "vung hai so 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 bai so 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 bai so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vung bai so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung bai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.