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