Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
tong thong » thong thong, dong thong, thong thuong
cong thong » cong thuong, cong trong, dong thong
quan thanh » ban thanh, van thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung cua » truong cua, trung cap, dung cua
thanh tap » thanh lap, thanh tai, thanh tay

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - thanh ((trung cua) OR (trung tuan)) ((tong thong) or (cong thong)) quan thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh ((trung cua) OR (trung tuan)) ((tong thong) OR (cong thong)) quan thanh tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh ((trung cua) OR (trung tuan)) ((tong thong) or (cong thong)) quan thanh tap".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((trung cua) OR (trung tuan)) ((tong thong) or (cong thong)) quan thanh tap*.