Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hanh sinh » hanh tinh, hanh dinh, hinh sinh
va thong » va thuong, va phuong, he thong
cong van » cong vang, cong san, song van
tuan cau » toan cau, quan cau, thuan cam
sinh va » sinh vat, tinh va, dinh van
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien danh) or (chieu xanh)) - hanh sinh va thong cong van ((tuan cau) or (tuan cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (chieu xanh)) - hanh sinh va thong cong van ((tuan cau) OR (tuan cu)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) or (chieu xanh)) - hanh sinh va thong cong van ((tuan cau) or (tuan cu))*.