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