Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
chua xang » chua nang, chu bang, chua dong
nhanh ban » nhanh bac, nhanh ba, thanh ban
cua dung » cua dang, cua dong, cua rung
qua dung » quang dung, su dung, qua song
toan tap » toan ban
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: theo ((chua xang) OR (chuc nang)) - nhanh ban ((cua dung) or (qua dung)) cong thanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chuc nang)) - nhanh ban ((cua dung) OR (qua dung)) cong thanh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) OR (chuc nang)) - nhanh ban ((cua dung) or (qua dung)) cong thanh toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) OR (chuc nang)) - nhanh ban ((cua dung) or (qua dung)) cong thanh toan tap*.