Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
trung tay » trung tam, trung gay, trung tai
nung cong » dung cong, nang cong, nung dong
hinh toan » tinh toan, thanh toan, trinh toan
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 hieu lang - thanh trung tay ((nung cong) OR (nhung cong)) hinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu lang - thanh trung tay ((nung cong) OR (nhung cong)) hinh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - thanh trung tay ((nung cong) OR (nhung cong)) hinh toan ban*.