Perhaps you should try some spelling variations:
chau tinh » cuu tinh, cua tinh, cac tinh
dung cong » dung trong
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chau tinh) OR (ha tinh)) - anh nang cua dung cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chau tinh) OR (ha tinh)) - anh nang cua dung cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chau tinh) OR (ha tinh)) - anh nang cua dung cong dan toan cao*.