Perhaps you should try some spelling variations:
thong duong » tuong duong, thong dung, thong huong
chuc danh » chuc nganh, thuc hanh, chuc nang
hanh tung » thanh tung, manh tung, hanh dung
cua thong » cua thuong, cua khong, cua tong
duong dan » duong dang, huong dan, duong van
chu manh » ho manh, chu han, chu van
anh bang » anh hoang, anh quang, tinh bang
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chu manh)) - ((hanh tung) OR (anh bang)) cua thong duong dan toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (chu manh)) - ((hanh tung) or (anh bang)) cua thong duong dan toan cau*.