Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
hien nhanh » hien hanh, thien thanh, tien thanh
thong cong » trong cong, thong thong, phong chong
tong cong » trong cong, cong cong, dung cong
trung va » truong va, trang va, trung ha
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu

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 (hien nhanh)) - thanh trung va ((thong cong) OR (tong cong)) tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hien nhanh)) - thanh trung va ((thong cong) OR (tong cong)) tan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (hien nhanh)) - thanh trung va ((thong cong) OR (tong cong)) tan phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hien nhanh)) - thanh trung va ((thong cong) OR (tong cong)) tan phan cau*.