Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
tranh cua » doanh cua, manh cua
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong dan, cong thanh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hanh ((trung cua) or (tranh cua)) nhung ((cong manh) OR (cong danh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((trung cua) OR (tranh cua)) nhung ((cong manh) OR (cong danh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh ((trung cua) or (tranh cua)) nhung ((cong manh) OR (cong danh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((trung cua) or (tranh cua)) nhung ((cong manh) OR (cong danh)) toan tap*.