Perhaps you should try some spelling variations:
trung thanh » truong thanh
trung tuan » trung tam, tran tuan, truong thanh
trinh phan » trinh han, trinh quan, thanh phan
trung cua » truong cua, trung cap, dung cua
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
phan dau » phan tu, hang dau

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 - thanh ((trung cua) or (((trung tuan) OR (trung thanh)))) trong cong trinh phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - thanh ((trung cua) OR (((trung tuan) OR (trung thanh)))) trong cong trinh phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - thanh ((trung cua) or (((trung tuan) OR (trung thanh)))) trong cong trinh phan dau".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - thanh ((trung cua) or (((trung tuan) OR (trung thanh)))) trong cong trinh phan dau*.