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