Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang ha ve snippets" » "hang hoa ve snippets", "hang hai ve snippets", "hoang ha ve snippets", "hang pha ve snippets", "hang hua ve snippets", "hang ca ve 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 ha ve 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 ha ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang ha ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang ha ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.