Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua thong » cua thuong, cua khong, cua tong
trinh han » trinh quan
tinh cua » trinh cua, sinh cua, tinh chat
han dau » hang dau, phan dau, van dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho ((hieu lang) or (chieu xanh)) - hanh tinh cua thong cong trinh han dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho ((hieu lang) OR (chieu xanh)) - hanh tinh cua thong cong trinh han dau.
• Adding a wildcard symbol may retrieve word variants: nho ((hieu lang) or (chieu xanh)) - hanh tinh cua thong cong trinh han dau*.