Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan lam cha snippets" » "van lam cha snippets", "dan lap cha snippets", "dan nam cha snippets", "dan lam chat snippets", "dan lam chay snippets", "dan lam chu 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: (((("dan lam cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan lam cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan lam cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan lam cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.