Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho phan go snippets" » "co phan go snippets", "hoc phan go snippets", "hoa phan go snippets", "cho phan gom snippets", "cho phan bo snippets", "cho phan co 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: (((("cho phan go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho phan go snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho phan go snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho phan go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.