Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang va te snippets" » "hang va tre snippets", "hang va ten snippets", "hang va tu snippets", "nang va te snippets", "dang va te snippets", "hanh va te 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 va te 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 va te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang va te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang va te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.