Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi cong lee snippets" » "nguoi cong lee snippets", "tai cong lee snippets", "thi cong lee snippets", "noi cong lap snippets", "noi cong li snippets", "noi cong lon 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: (((("noi cong lee snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi cong lee snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi cong lee snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi cong lee snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.