Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi dung toi snippets" » "hoc dung toi snippets", "noi dung thoi snippets", "noi dung tai snippets", "noi dung doi 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: (((("noi dung toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi dung toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi dung toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi dung toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.