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