Perhaps you should try some spelling variations:
thanh trung » thanh tung
tranh luan » trinh luan, trinh luat, doanh luan
trung tap » trung tam, trung cap, rung tap
tap thanh » lap thanh, tap tranh, tp thanh
trinh han » trinh quan
chi hanh » chi nhanh, chi thanh, thi hanh
cong tac » cong ty
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi hanh - thanh trung tap thanh cong tac ((tranh luan) or (trinh han))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - thanh trung tap thanh cong tac ((tranh luan) OR (trinh han)).
• Adding a wildcard symbol may retrieve word variants: doi chi hanh - thanh trung tap thanh cong tac ((tranh luan) or (trinh han))*.