Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong lai chi snippets" » "chong lai chi snippets", "cong hai chi snippets", "cong lap chi snippets", "cong tai chi snippets", "cong la chi snippets", "cong lai cho 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: (((("cong lai 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: (((("cong lai chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong lai chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong lai chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.