Perhaps you should try some spelling variations:
trang tuan » trung tuan, trong tuan, tran xuan
chua nang » chua xang, kha nang, cuu nang
tran tuan » tran xuan, tran quang, tran thanh
trong dan » trong dang, trong san, trong tan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
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 nang) OR (chuc nang)) - hanh ((trang tuan) or (tran tuan)) dung trong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chua nang) OR (chuc nang)) - hanh ((trang tuan) OR (tran tuan)) dung trong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chua nang) OR (chuc nang)) - hanh ((trang tuan) or (tran tuan)) dung trong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chua nang) OR (chuc nang)) - hanh ((trang tuan) or (tran tuan)) dung trong dan toan cau*.