Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho cay tong snippets" » "cho cay trong snippets", "cho cay cong snippets", "cho cap tong snippets", "cho cac tong snippets", "cho vay tong snippets", "cho can tong 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 cay tong 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 cay tong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho cay tong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho cay tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.