Perhaps you should try some spelling variations:
chua xang » chua nang, chu bang, chua dong
dung cong » dung trong
trang su » trang suc, trong su, trang du
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
tang su » tang suc, dang su, nang su
chuc » thuc, chu, phuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chua xang) or (chuc nang)) - hanh ((trang su) OR (tang su)) dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chua xang) OR (chuc nang)) - hanh ((trang su) OR (tang su)) dung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chua xang) or (chuc nang)) - hanh ((trang su) OR (tang su)) dung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chua xang) or (chuc nang)) - hanh ((trang su) OR (tang su)) dung cong tan toan cau*.