Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hanh hinh » hanh chinh, hanh tinh, hanh dinh
cong van » cong vang, cong san, song van
tuan cau » toan cau, quan cau, thuan cam
hinh va » chinh va, hanh va, tinh va
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sang)) - hanh hinh va nhung cong van ((tuan cau) OR (tuan cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh hinh va nhung cong van ((tuan cau) OR (tuan cu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - hanh hinh va nhung cong van ((tuan cau) OR (tuan cu))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - hanh hinh va nhung cong van ((tuan cau) OR (tuan cu))*.