Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
tran dinh » xuan dinh
tran minh » van minh, xuan minh
cua hang » cua dang, cua nhung, cua cong
cong tac » cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (hieu manh)) - canh tranh cua hang cong tac ((tran dinh) or (tran minh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - canh tranh cua hang cong tac ((tran dinh) OR (tran minh))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - canh tranh cua hang cong tac ((tran dinh) or (tran minh))*".