Perhaps you should try some spelling variations:
cong thanh » cong trinh, cong tan, truong thanh
dong thanh » truong thanh
chua xang » chua nang, chuc nang, chua dong
nhanh ban » nhanh bac, nhanh ba, thanh ban
chu bang » thu bang, chuc nang, chu quang
cua dung » cua dang, cua dong, qua dung
toan cau » toan cao, toan ban, toan tap
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chua xang) or (chu bang)) - nhanh ban cua dung ((cong thanh) OR (dong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chu bang)) - nhanh ban cua dung ((cong thanh) OR (dong thanh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (chu bang)) - nhanh ban cua dung ((cong thanh) OR (dong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chu bang)) - nhanh ban cua dung ((cong thanh) OR (dong thanh)) toan cau*.