Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"co thua chi snippets" » "co thu chi snippets", "co thuy chi snippets", "co thuat choi snippets", "o thua chi snippets", "cho thue 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: (((("co thua 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: (((("co thua chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( co thua chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co thua chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.