Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » trinh luat, trinh han
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tinh cua » trinh cua, sinh cua, tinh chat
cong van » cong vang, cong san, song van
ban tap » bai tap, han tap, ban tai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((((trinh quan) OR (tinh quang))) OR (tinh cua)) nhung cong van ban tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh ((((trinh quan) OR (tinh quang))) or (tinh cua)) nhung cong van ban tap~".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((((trinh quan) OR (tinh quang))) or (tinh cua)) nhung cong van ban tap*.