Perhaps you should try some spelling variations:
"dung ha canh snippets" » "dung ha code snippets", "dung va canh snippets", "dung he canh snippets", "dung khoa canh snippets", "dung ha anh snippets", "dung ha manh snippets", "dung khia canh snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("dung ha canh snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung ha canh snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dung ha canh snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dung ha canh snippets"))) or ("locating bug core snippets"))*.