Perhaps you should try some spelling variations:
thien danh » thien dang, thien thanh, thien chanh
thien anh » tien anh, thien thanh, thien chanh
cong tuan » cong tan, cong luan, cong thanh
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
cong san » cong tac
san phan » san pham, van phan, sat phan
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thien danh) or (thien anh)) - thanh cong tuan dang cong san phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thien danh) OR (thien anh)) - thanh cong tuan dang cong san phan lap.
• Adding a wildcard symbol may retrieve word variants: toc ((thien danh) or (thien anh)) - thanh cong tuan dang cong san phan lap*.