Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang doi cap snippets" » "hang di cap snippets", "hang loi cap snippets", "huong doi cap snippets", "hang doi ca snippets", "hang doi cay snippets", "hang doi dap 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: (((("hang doi cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang doi cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang doi cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang doi cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.