Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"from dao duc snippets" » "from data duc snippets", "from a duc snippets", "from two duc snippets", "from giao duc snippets", "from tao duoc snippets", "from dao duc slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("from dao duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("from dao duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( from dao duc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("from dao duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.