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