Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, truong thanh
tran tuan » tran xuan, tran quang, tran thanh
chu tinh » chau tinh, chua tinh, cuu tinh
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
ho chu » hoi chu, cho chu, ho chua

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 - hanh ((trung tuan) OR (tran tuan)) trong cong tan toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chu tinh - hanh ((trung tuan) OR (tran tuan)) trong cong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: ho chu tinh - hanh ((trung tuan) OR (tran tuan)) trong cong tan toan tap*.