Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho dat nghe snippets" » "cho day nghe snippets", "cho da nghe snippets", "cho dang nghe snippets", "chon dat nghe snippets", "cho dao nghe snippets", "cho dap nghe 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: (((("cho dat nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho dat nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho dat nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho dat nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.