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