Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
cuong tac » tuong tac, cuong cac, cuong tap
cong tac » cong ty
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 - thanh ((trung cua) or (trung cap)) quang ((cuong tac) OR (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - thanh ((trung cua) OR (trung cap)) quang ((cuong tac) OR (cong tac)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - thanh ((trung cua) or (trung cap)) quang ((cuong tac) OR (cong tac)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - thanh ((trung cua) or (trung cap)) quang ((cuong tac) OR (cong tac)) toan cao*.