Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
dang cong » dung cong
dung cua » dung luan
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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 - thanh ((dung cua) OR (dung cho)) dang cong tan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - thanh ((dung cua) OR (dung cho)) dang cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - thanh ((dung cua) OR (dung cho)) dang cong tan toan cao*.