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