Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
cong tang » cong thang, cong tan, cong vang
cong lang » cong vang, cong luong, cong quang
nhung cau » chung cu, nhung bai, nhu cau
doc hieu » toc thieu, hoc thieu, hoc hien
minh cua » sinh cua, tinh cua, dinh cua
manh cua » doanh cua, ban cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hoang ((minh cua) OR (manh cua)) dang ((cong tang) or (cong lang)) nhung cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hoang ((minh cua) OR (manh cua)) dang ((cong tang) OR (cong lang)) nhung cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hoang ((minh cua) OR (manh cua)) dang ((cong tang) or (cong lang)) nhung cau".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hoang ((minh cua) OR (manh cua)) dang ((cong tang) or (cong lang)) nhung cau*.