Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh dong hon snippets" » "anh huong hon snippets", "anh son hon snippets", "anh dong hoc snippets", "anh dong hoa snippets", "anh dong von 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: (((("anh dong 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: (((("anh dong hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh dong hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh dong hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.