Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi sang bae snippets" » "phi san bae snippets", "phap sang bae snippets", "khai sang bae snippets", "phi sang tao snippets", "phi hang ban snippets", "phi sang ma 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: (((("phi sang bae snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi sang bae snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi sang bae snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi sang bae snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.