Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung dan da snippets" » "huong dan da snippets", "dung dan da snippets", "tung dan da snippets", "hung dan dat snippets", "hung dan ca snippets", "hung dan va 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: (((("hung dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hung dan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung dan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.