Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat da canh snippets" » "mat dan canh snippets", "mat da hanh snippets", "mat do canh snippets", "mat ma canh snippets", "vat da canh snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mat da 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: (((("mat da canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat da canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat da canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.