Perhaps you should try some spelling variations:
tieng trung » truong trung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung van » truong van, trong van, trung va
thanh cau » thanh chau, thanh mau, nhanh cau
chu xanh » chu manh, chua xang, chuc danh
tranh va » tranh van, trang va, trinh va
va tieng » va tinh, tu tieng, va thong
hanh mau » thanh mau, anh mau, hanh ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) OR (chieu xanh)) - canh tranh va tieng trung van ((thanh cau) or (hanh mau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu xanh)) - canh tranh va tieng trung van ((thanh cau) OR (hanh mau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chieu xanh)) - canh tranh va tieng trung van ((thanh cau) or (hanh mau))".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chieu xanh)) - canh tranh va tieng trung van ((thanh cau) or (hanh mau))*.