Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh
chieu sang » chieu sach, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tap » cuong tap, cong tac, cong tan
tap quan » tac quan, hai quan
quan cap » quan cau, quan lap, quang cao

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

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