Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam cong cua snippets" » "dai cong cua snippets", "dam dong cua snippets", "dang cong cua snippets", "dam cong cu snippets", "dam huong cua 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 cong cua 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 cong cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam cong cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam cong cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.