Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh doanh » hang doanh, chinh doanh, doanh doanh
cong thanh » dong thanh, cong trinh, cong tan
hoc chieu » hoc thieu, ho chieu, hoc dieu
doanh cua » doanh luan
cua nhung » va nhung
sang ban » hang ban, nang ban, sang bae
san ban » van ban, can ban, san van

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

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