Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hop huu can snippets" » "hoc huu can snippets", "hoa huu can snippets", "hop huy can snippets", "hop huu chan snippets", "hop huu han snippets", "hop hau can 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: (((("hop huu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hop huu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hop huu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hop huu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.