Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"link luo cao snippets" » "ling luo cao snippets", "link luc cao snippets", "link luong cao snippets", "link luoc can 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: (((("link luo cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("link luo cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( link luo cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("link luo cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.