Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
thanh tung » thanh cong
trinh toan » tinh toan, thanh toan, trinh han
lieu tinh » trieu tinh, diep tinh, bien tinh
lang cong » dang cong, bang cong, hang cong
toan cao » toan ban, toan tap
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu tinh) OR (lieu tinh)) - ((thanh trung) or (thanh tung)) va lang cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (lieu tinh)) - ((thanh trung) OR (thanh tung)) va lang cong trinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) OR (lieu tinh)) - ((thanh trung) or (thanh tung)) va lang cong trinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) OR (lieu tinh)) - ((thanh trung) or (thanh tung)) va lang cong trinh toan cao*.