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