Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, truong thanh
thong than » thong thanh, thong phan, thong nhan
chua tinh » cua tinh, cha tinh, thuat tinh
tran tuan » tran xuan, tran quang, tran thanh
than toan » thanh toan, than tuan, thuat toan
chu tinh » chau tinh, cuu tinh, chu tich
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chu tinh) OR (chua tinh)) - hanh ((trung tuan) or (tran tuan)) thong thong than toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chu tinh) OR (chua tinh)) - hanh ((trung tuan) OR (tran tuan)) thong thong than toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chu tinh) OR (chua tinh)) - hanh ((trung tuan) or (tran tuan)) thong thong than toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chu tinh) OR (chua tinh)) - hanh ((trung tuan) or (tran tuan)) thong thong than toan tap*.