Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong tao cay snippets" » "dong tai cay snippets", "dong dao cay snippets", "dong bao cay snippets", "dong tao cao snippets", "dong tao may snippets", "dong tao cac 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 cay 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 cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tao cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tao cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.