Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"khoan gi he snippets" » "khoan di he snippets", "khoan giao he snippets", "khoan hoi he snippets", "khoan gi de snippets", "khoan gi ve snippets", "khoan vi he 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: (((("khoan gi he snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoan gi he snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( khoan gi he snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoan gi he snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.