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
thoai cac » tai cac, thong cac, tho cac
ban cong » bang cong, van cong, phan cong
cong van » cong vang, cong san, song van
thai cao » tai cao, thuat cao, toan cao
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 ((((thai cao) OR (thoai cac))) or (tao cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh cua ban cong van ((((thai cao) OR (thoai cac))) 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 ((((thai cao) OR (thoai cac))) or (tao cao))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh cua ban cong van ((((thai cao) OR (thoai cac))) or (tao cao))*.