Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cung chua he snippets" » "cung cua he snippets", "cong chua he snippets", "chung chuan he snippets", "cung chuan he snippets", "cung chua ha snippets", "cung chua xe 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: (((("cung chua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung chua he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung chua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung chua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.