Perhaps you should try some spelling variations:
trung thanh » truong thanh
lieu tinh » trieu tinh, diep tinh, bien tinh
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
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 thanh) or (trung tam)) hang cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh ((trung thanh) OR (trung tam)) hang cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh ((trung thanh) or (trung tam)) hang cong dan than cao*.