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