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