Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban tuc hon snippets" » "ban tu hon snippets", "ban tum hon snippets", "ban thuoc hon snippets", "ban tuc huong snippets", "ban tuc phong 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: (((("ban tuc 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: (((("ban tuc hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban tuc hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban tuc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.