Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan su cham snippets" » "tan su pham snippets", "tan tu cham snippets", "tan vu cham snippets", "dan su cham snippets", "van su cham snippets", "ban su cham 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: (((("tan su cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan su cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan su cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan su cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.