Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam lan bo snippets" » "dam van bo snippets", "dam phan bo snippets", "pham lan bo snippets", "dam can bo snippets", "dam ban bo snippets", "dam lan o 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 lan bo 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 lan bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam lan bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam lan bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.