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