Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho than vo snippets" » "cho thanh vo snippets", "cho phan vo snippets", "cho nhan vo snippets", "cho than va snippets", "cho than doc snippets", "cho than hoc 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 than 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: (((("cho than vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho than vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho than vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.