Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mac ha canh snippets" » "mac ha anh snippets", "mac ha manh snippets", "mac khia canh snippets", "bac ha canh snippets", "mac ca canh snippets", "tac ha canh 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: (((("mac ha canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mac ha canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mac ha canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mac ha canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.