Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoi tac hon snippets" » "doi tac hon snippets", "duoi goc hon snippets", "duoc cac hon snippets", "duoi tac chon snippets", "duoi tach hon snippets", "duoi tam hon 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: (((("duoi tac 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: (((("duoi tac hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoi tac hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoi tac hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.