Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, truong thanh
chung cong » nhung cong, chong cong, phung cong
hieu lang » chieu sang, hieu quang, nhieu tang
tran tuan » tran xuan, tran quang, tran thanh
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
hoc hieu » hoc thieu, hoc hien, doc hieu
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu lang - manh ((trung tuan) or (tran tuan)) chung cong danh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu lang - manh ((trung tuan) OR (tran tuan)) chung cong danh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc hieu lang - manh ((trung tuan) or (tran tuan)) chung cong danh toan cao*.