Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh thanh » canh tranh, danh thanh, anh thanh
thanh van » thanh san, thanh toan, thanh phan
tong cong » trong cong, cong cong, dang cong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 - canh thanh van ((tong cong) OR (dung cong)) dan ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh thanh van ((tong cong) OR (dung cong)) dan ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh thanh van ((tong cong) OR (dung cong)) dan ((phan cau) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh thanh van ((tong cong) OR (dung cong)) dan ((phan cau) or (phan dau))*.