Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien danh
chieu sang » chieu sach, chieu xanh, hieu lang
khong cang » thong cong, hong bang, khong dung
thien anh » thien danh, tien anh, thien thanh
trung cua » truong cua, trung tuan, trung cap
cua khong » hua khong, cua phuong, cua thuong
cang tan » cong tan, cung tan, tang tan
tran van » luan van

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 (chieu sang))) or (thien anh)) - thanh trung cua khong cang tan tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (chieu sang))) OR (thien anh)) - thanh trung cua khong cang tan tran van.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (chieu sang))) or (thien anh)) - thanh trung cua khong cang tan tran van*.