Perhaps you should try some spelling variations:
thanh tung » thanh cong
luong cong » trong cong, cong cong, tong cong
lieu tinh » trieu tinh, diep tinh, bien tinh
tung tuan » trung tuan, hung tuan, quang tuan
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac
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 tung tuan ((((dung cong) OR (dung trong))) or (luong cong)) van than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - thanh tung tuan ((((dung cong) OR (dung trong))) OR (luong cong)) van than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - thanh tung tuan ((((dung cong) OR (dung trong))) or (luong cong)) van than cap*".