Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
nhung cong » dung cong, thong cong, hang cong
hang quang » dang quang, hong quang, hang quan
thien anh » thien danh, tien anh, thien thanh
thong cua » thong quan, thong tu, huong cua
doanh cua » doanh luan
cong hang » cong thang, cong hung, cong lang
quang cao » nang cao, quang nam

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 (thien anh)) - hanh ((thong cua) or (doanh cua)) nhung cong hang quang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - hanh ((thong cua) OR (doanh cua)) nhung cong hang quang cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - hanh ((thong cua) or (doanh cua)) nhung cong hang quang cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - hanh ((thong cua) or (doanh cua)) nhung cong hang quang cao*.