Perhaps you should try some spelling variations:
tieu sang » chieu sang, tieu dung, tiem nang
trinh chu » trinh cau, trinh thuc, trinh chat
trinh cho » trinh chao, trinh co, trinh chat
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
san toan » van toan, dan toan, manh 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: theo tieu sang - hanh ((trinh chu) OR (trinh cho)) hang cong san toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sang - hanh ((trinh chu) OR (trinh cho)) hang cong san toan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - hanh ((trinh chu) OR (trinh cho)) hang cong san toan cau*.