Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran dang ve snippets" » "tran quang ve snippets", "tran hoang ve snippets", "tranh hang ve snippets", "tran dang va snippets", "tran dan ve snippets", "tran dang de 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: (((("tran dang ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran dang ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran dang ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran dang ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.