Perhaps you should try some spelling variations:
trung dung » ung dung, trung uong, trinh dung
chua xang » chua nang, chu bang, chua dong
cua trung » cua truong, xuan trung, cua nhung
dung manh » duong manh, dung danh, hung manh
manh toan » thanh toan, anh tuan, tinh toan
anh dinh » hanh dinh, lanh dinh, anh kinh
dinh cua » dinh cuu, sinh cua, dinh cu
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)) - anh dinh cua trung dung manh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) OR (chuc nang)) - anh dinh cua trung dung manh toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) OR (chuc nang)) - anh dinh cua trung dung manh toan cao*.