Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao cuong ve snippets" » "tan cuong ve snippets", "dao cuong ve snippets", "cao cuong ve snippets", "tao cuong vo snippets", "tao duong ve snippets", "tao luong va 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: (((("tao cuong 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: (((("tao cuong ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao cuong ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao cuong ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.