Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
thong cong » trong cong, tong cong, thong thong
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 bang » thu bang, chuc nang, chu quang
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 bang - thanh ((trung cua) or (trung tuan)) thong cong trinh phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu bang - thanh ((trung cua) OR (trung tuan)) thong cong trinh phan dau.
• Adding a wildcard symbol may retrieve word variants: theo chu bang - thanh ((trung cua) or (trung tuan)) thong cong trinh phan dau*.