Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuc nho cong snippets" » "cuc cho cong snippets", "cuc kho cong snippets", "cuc pho cong snippets", "cac nhom 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: (((("cuc nho 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: (((("cuc nho cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuc nho cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuc nho cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.