Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong tao o snippets" » "dong tai o snippets", "dong dao o snippets", "dong bao o snippets", "dong tao mo snippets", "dong tay o 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: (((("dong tao o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tao o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tao o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tao o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.