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