Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"shan bo cong snippets" » "phan bo cong snippets", "phan bon cong snippets", "phan bao cong snippets", "shan so cong snippets", "shan cao cong snippets", "shan hoc 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: (((("shan bo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("shan bo cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( shan bo cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("shan bo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.