Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap dua hon snippets" » "lap du hon snippets", "lap cua hon snippets", "lap da hon snippets", "lap lua chon snippets", "lap dua khen 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: (((("lap dua hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap dua hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap dua hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap dua hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.