Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang
nhieu tang » hieu lang, nhiet nang
chieu xanh » chieu sach, chieu tinh, hieu manh
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
ca cau » cua cau, cac cau, can cau

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 sang) or (nhieu tang))) or (chieu xanh)) - thanh trung cua thong thong dan ca cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu sang) OR (nhieu tang))) OR (chieu xanh)) - thanh trung cua thong thong dan ca cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu sang) or (nhieu tang))) or (chieu xanh)) - thanh trung cua thong thong dan ca cau*.