Perhaps you should try some spelling variations:
"ataur rahman khoan khadim" » "abdul rahman khoan khadim", "ur rahman khoan khadim", "ataur rahman khoan phai"
"ataur rahman khoa kham" » "abdul rahman khoa kham", "ur rahman khoa kham", "ataur rahman kho khan", "ataur rahman khoa than"
"saifur rahman khoa kham" » "saifur rahman kho khan", "saifur rahman khoa than"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("ataur rahman khoan khadim") or ((("ataur rahman khoa kham") OR ("saifur rahman khoa kham"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ataur rahman khoan khadim") OR ((("ataur rahman khoa kham") OR ("saifur rahman khoa kham")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"ataur rahman khoan khadim\") or (((\"ataur rahman khoa kham\") OR (\"saifur rahman khoa kham\"))))".
• Removing quotes may allow a broader search: (( ataur rahman khoan khadim ) or ((( ataur rahman khoa kham ) OR ( saifur rahman khoa kham )))).
• Adding a wildcard symbol may retrieve word variants: (("ataur rahman khoan khadim") or ((("ataur rahman khoa kham") OR ("saifur rahman khoa kham"))))*.