Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
trinh quang » tinh quang, tranh quang, trinh dung
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
quang dang » quang dung, quang dong, quang hoang
trinh quan » tinh quang, trinh luat, trinh han
thien anh » thien danh, tien anh, thien chanh
dang cong » dung cong
quan dau » quan cau, qua dau, quan dac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (((thien anh) or (thien thanh)))) - hanh trinh quang dang cong trinh quan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((thien anh) OR (thien thanh)))) - hanh trinh quang dang cong trinh quan dau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((thien anh) or (thien thanh)))) - hanh trinh quang dang cong trinh quan dau*.