Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
cong van » cong vang, cong san, song van
van hang » van khang, van hoang, van thang
cong sat » cong suat, cong san, cong hat
sat phan » sat nhan, vat phan, xuat 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 ((hieu manh) or (thien danh)) - thanh cong van hang cong sat phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (thien danh)) - thanh cong van hang cong sat phan lap.
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (thien danh)) - thanh cong van hang cong sat phan lap*.