Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien danh
cuc phuong » cac phuong, cuu phuong, cua phuong
cong luong » cong thuong, nang luong, cong dong
thien anh » thien danh, tien anh, thien thanh
trung cuc » trung cua, trung luc, truong cuoc
cong vang » cong lang, cong quang, cong ngang
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)) - thanh trung cuc phuong ((cong vang) or (cong luong)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh trung cuc phuong ((cong vang) OR (cong luong)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - thanh trung cuc phuong ((cong vang) or (cong luong)) than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - thanh trung cuc phuong ((cong vang) or (cong luong)) than cau*.