Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trinh quan » tinh quang, trinh luat, trinh han
phuong lan » phuong la, thuong lan, phuong linh
tinh cua » trinh cua, sinh cua, tinh chat
lan tuan » van tuan, lan guan, tran tuan
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) OR (chieu sach)) - hanh ((tinh cua) or (trinh quan)) dung phuong lan tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - hanh ((tinh cua) OR (trinh quan)) dung phuong lan tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sach)) - hanh ((tinh cua) or (trinh quan)) dung phuong lan tuan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sach)) - hanh ((tinh cua) or (trinh quan)) dung phuong lan tuan cau*.