Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » thong cong, hang cong, nhung don
lieu tinh » trieu tinh, diep tinh, bien tinh
trung cap » truong cao, trung tam
dung cong » dung trong
doi lieu » duoc lieu, doi chieu, du lieu
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - thanh ((trung tuan) or (trung cap)) ((nhung cong) OR (dung cong)) san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - thanh ((trung tuan) OR (trung cap)) ((nhung cong) OR (dung cong)) san toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi lieu tinh - thanh ((trung tuan) or (trung cap)) ((nhung cong) OR (dung cong)) san toan tap*".