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