Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
trung cua » truong cua, trung cap, dung cua
toan ban » van ban

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)) nhung cong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - hanh ((trung cua) OR (trung tuan)) nhung cong trinh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - hanh ((trung cua) or (trung tuan)) nhung cong trinh toan ban*.