Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan thoi vo snippets" » "phan thi vo snippets", "phan phoi vo snippets", "phan hoi vo snippets", "phan thoi va snippets", "phan choi voi 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: (((("phan thoi vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan thoi vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan thoi vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan thoi vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.