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