Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, truong thanh
tran thanh » ban thanh, van thanh, quan thanh
tran tuan » tran xuan, tran quang, tranh luan
chu tinh » chau tinh, chua tinh, cuu tinh
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van
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) or (tran thanh)))) trong cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chu tinh - hanh ((trung tuan) OR (((tran tuan) OR (tran thanh)))) trong cong tan van ban.
• Adding a wildcard symbol may retrieve word variants: ho chu tinh - hanh ((trung tuan) or (((tran tuan) or (tran thanh)))) trong cong tan van ban*.