Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"peng va hoat snippets" » "phong va hoat snippets", "mieng va hoat snippets", "peng cao hoat snippets", "peng va hoa snippets", "peng qua hoat snippets", "peng dan hoat 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: (((("peng va hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("peng va hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( peng va hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("peng va hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.