Perhaps you should try some spelling variations:
thanh tung » thanh cong
thieu xanh » chieu xanh, hieu manh, thien danh
khong cong » thong cong, khong cang, khong con
chong cong » cong cong, thong cong, cuong cong
thien anh » thien danh, tien anh, thien thanh
tung tuan » trung tuan, hung tuan, quang tuan
tan than » tan thanh, tan tran, ban than
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 tung tuan ((khong cong) OR (chong cong)) tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh tung tuan ((khong cong) OR (chong cong)) tan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - thanh tung tuan ((khong cong) OR (chong cong)) tan than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - thanh tung tuan ((khong cong) OR (chong cong)) tan than cau*.