Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan banh ve snippets" » "phan anh ve snippets", "pham banh ve snippets", "phan thanh ve snippets", "phan ban ve snippets", "phan hanh ve snippets", "phan benh ve 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 banh ve 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 banh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan banh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan banh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.