Perhaps you should try some spelling variations:
trung tuan » trung thanh, tran tuan, truong thanh
lieu tinh » trieu tinh, diep tinh, bien tinh
bang cong » dang cong, bang song, hang cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - hanh ((trung tuan) or (trung tam)) bang cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh ((trung tuan) OR (trung tam)) bang cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh ((trung tuan) or (trung tam)) bang cong dan toan cao*.