Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can phi cong snippets" » "can thi cong snippets", "can phan cong snippets", "can pham cong snippets", "can chi cong snippets", "chau phi 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: (((("can phi 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: (((("can phi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can phi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can phi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.