Perhaps you should try some spelling variations:
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
chu xang » chua xang, chu bang, chuc nang
hang cua » hang ca, huong cua, thong cua
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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 chu xang - hanh ((((hang cua) or (mang cua))) or (dung luan)) hang cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xang - hanh ((((hang cua) OR (mang cua))) OR (dung luan)) hang cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chu xang - hanh ((((hang cua) or (mang cua))) or (dung luan)) hang cong tac toan cau*.