Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bugs code snippets", "locating bug code slippers"
"python using java snippets" » "python using data snippets"
"hoc hoi van snippets" » "hoc khoi van snippets", "hoc hoa van snippets", "hoc noi van snippets", "hoc hoi va snippets", "hoc hoi dan snippets", "hoc hai van 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: (((("hoc hoi van snippets") or ("python using java snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc hoi van snippets") OR ("python using java snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( hoc hoi van snippets ) or ( python using java snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc hoi van snippets") or ("python using java snippets"))) or ("locating bugs code slippers"))*.