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