Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong ngang » cong nhan, cong quang, cong lang
ngang tuan » quang tuan, hoang tuan, nganh toan
hien xanh » hien hanh, hien nhanh, hien khanh
quang cua » quang tuan, quang huy, dung cua
dang cong » dung cong
quan cua » quan luan, ban cua, gian cua
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: hoc ((hien xanh) OR (chieu xanh)) - anh ((quang cua) or (quan cua)) dang cong ngang tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - anh ((quang cua) OR (quan cua)) dang cong ngang tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (chieu xanh)) - anh ((quang cua) or (quan cua)) dang cong ngang tuan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (chieu xanh)) - anh ((quang cua) or (quan cua)) dang cong ngang tuan cau*.