Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
ban cong » bang cong, van cong, phan cong
cong van » cong vang, cong san, song van
tai cao » thai cao, tai sao, tai cac
tao cao » bao cao, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - canh tranh cua ban cong van ((tai cao) OR (tao cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - canh tranh cua ban cong van ((tai cao) OR (tao cao))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh cua ban cong van ((tai cao) OR (tao cao))*.