Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho phap dot snippets" » "cho phan dot snippets", "cho phat dot snippets", "che phap dot snippets", "cho phap doc snippets", "cho phap dong snippets", "cho phap luot 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 phap dot 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 phap dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho phap dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho phap dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.