Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cap » trung tam
trinh ban » trinh han, trinh san, trinh dan
ban tay » ban tai, ban than, gian tay

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (chieu sang)) - thanh ((trung cap) OR (truong cao)) nhung cong trinh ban tay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sang)) - thanh ((trung cap) OR (truong cao)) nhung cong trinh ban tay.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) or (chieu sang)) - thanh ((trung cap) OR (truong cao)) nhung cong trinh ban tay".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sang)) - thanh ((trung cap) OR (truong cao)) nhung cong trinh ban tay*.