Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
thanh tung » thanh cong
tuan duong » tuyen duong, tuong duong, van duong
duong cong » dung cong, luong cong, duong trong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu tinh - ((thanh trung) OR (thanh tung)) tuan duong cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu tinh - ((thanh trung) OR (thanh tung)) tuan duong cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - ((thanh trung) OR (thanh tung)) tuan duong cong tan toan cau*.