Perhaps you should try some spelling variations:
tieu sang » chieu sang, tieu dung, tiem nang
bang cong » dang cong, bang song, hang cong
phan cua » nhan cua, than cua, phat cua
chat cua » nhat cua, chat va, chat huu
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - anh ((phan cua) or (chat cua)) bang cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - anh ((phan cua) OR (chat cua)) bang cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - anh ((phan cua) or (chat cua)) bang cong tac than cau*.