Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
tong thong » thong thong, dong thong, cong thong
thong khac » thong khao, truong khac, thong cac
khac trinh » kha trinh, hoc trinh, khac triet
trinh chat » tinh chat, trinh luat, trinh han
trung cua » truong cua, trung cap, dung cua
chu xanh » chu manh, chieu xanh, chua xang
chu han » chu 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 ((chu xanh) or (chu han)) - thanh ((trung cua) OR (trung tuan)) tong thong khac trinh chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chu han)) - thanh ((trung cua) OR (trung tuan)) tong thong khac trinh chat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chu han)) - thanh ((trung cua) OR (trung tuan)) tong thong khac trinh chat".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chu han)) - thanh ((trung cua) OR (trung tuan)) tong thong khac trinh chat*.