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