Perhaps you should try some spelling variations:
"cuu phi cong snippets" » "cuu phi code snippets", "cuu thi cong snippets", "cuu phan cong snippets", "cuu pham cong snippets", "huu phi cong snippets", "cua phi cong snippets", "cuu pho cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("cuu phi cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cuu phi cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cuu phi cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cuu phi cong snippets"))) or ("locating bug core snippets"))*.