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