Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh hung » thanh huong, thanh tung, thanh trung
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
trinh hoa » trinh do, trinh han
hung cua » huong cua, chung cua, khung cua
hoa han » hoa phan, hoa dan, hoa van

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) or (chieu sang)) - thanh hung cua thong cong trinh hoa han~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - thanh hung cua thong cong trinh hoa han.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sang)) - thanh hung cua thong cong trinh hoa han*.