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