Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
chu xanh » chu manh, chieu xanh, chuc danh
anh cong » hanh cong, anh dong, thanh cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
cong va » dong va, cong ha, cong tac

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 xanh) or (chua xang))) or (chiet tach)) - anh cong va nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chu xanh) OR (chua xang))) OR (chiet tach)) - anh cong va nhung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((((chu xanh) or (chua xang))) or (chiet tach)) - anh cong va nhung cong dan toan cau*.