Perhaps you should try some spelling variations:
"lochating bug core snippets" » "locating bug core snippets", "lochating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung de xac snippets" » "dung he xac snippets", "dung dat xac snippets", "dung den xac snippets", "dung de xay snippets", "dung de cac 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: (((("dung de xac snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung de xac snippets") OR ("python using java snippets"))) OR ("lochating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung de xac snippets ) or ( python using java snippets ))) or ( lochating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung de xac snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))*.