Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung kim chi snippets" » "cung kim chi snippets", "dung kem chi snippets", "sung kim chi snippets", "dung kien chi 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: (((("dung kim chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung kim chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung kim chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung kim chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.