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