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