Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lay cuu cong snippets" » "lay cua cong snippets", "lay thu cong snippets", "lay cac cong snippets", "lay cuoc 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: (((("lay cuu 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: (((("lay cuu cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lay cuu cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lay cuu cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.