Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
nien tinh » bien tinh, tien tinh, khien tinh
dien tinh » diep tinh, bien tinh, dien hinh
doanh cua » doanh luan
mang cua » manh cua, dung cua, ban cua
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thieu ((nien tinh) OR (dien tinh)) - hanh ((mang cua) or (doanh cua)) nhung cong ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thieu ((nien tinh) OR (dien tinh)) - hanh ((mang cua) OR (doanh cua)) nhung cong ban than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thieu ((nien tinh) OR (dien tinh)) - hanh ((mang cua) or (doanh cua)) nhung cong ban than cau".
• Adding a wildcard symbol may retrieve word variants: thieu ((nien tinh) OR (dien tinh)) - hanh ((mang cua) or (doanh cua)) nhung cong ban than cau*.