Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
chinh cua » chinh ca, chinh sua, chinh luan
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
hinh cua » sinh cua, tinh cua, dinh cua
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: hoc ((thieu xanh) or (thien anh)) - hanh ((chinh cua) OR (hinh cua)) nhung cong sang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - hanh ((chinh cua) OR (hinh cua)) nhung cong sang than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - hanh ((chinh cua) OR (hinh cua)) nhung cong sang than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - hanh ((chinh cua) OR (hinh cua)) nhung cong sang than cau*.