Perhaps you should try some spelling variations:
nhanh dang » nhan dang, nhanh dong, nhanh lang
doi chieu » doc hieu, doi chi, mot chieu
dang dang » dang dung, dung dang, dang bang
dang cong » dung cong
cong danh » cuong danh, cong dan, cong thanh
danh van » doanh van, dang van, dinh van
ban can » ban dan, ban hang, ban hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (toc thieu)) tinh - nhanh dang dang cong danh van ban can~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (toc thieu)) tinh - nhanh dang dang cong danh van ban can".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (toc thieu)) tinh - nhanh dang dang cong danh van ban can*.