Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » lieu tinh, chau tinh, kieu tinh
tong duong » tuong duong, thong duong, dong duong
duong manh » duong van
trung cua » truong cua, trung tuan, trung cap
cua tong » cua cong, cua dong, cua nong
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tinh) OR (trieu tinh)) - thanh trung cua tong duong manh ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (trieu tinh)) - thanh trung cua tong duong manh ((toan cao) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) OR (trieu tinh)) - thanh trung cua tong duong manh ((toan cao) or (toan ban))*".