Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
trung cua » truong cua, trung cap, dung cua
san ban » sang ban, can ban, san van

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

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