Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang dieu ve snippets" » "dang hieu ve snippets", "dang dien ve snippets", "dang dieu va snippets", "dan dieu ve snippets", "dung dieu ve snippets", "dong dieu ve 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: (((("dang dieu 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: (((("dang dieu ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang dieu ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang dieu ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.