Perhaps you should try some spelling variations:
dung cong » dung trong
cac tinh » dac tinh, cuu tinh, ban tinh
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 san » cong tac
toan cao » toan tap
toan ban » van ban
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 ((cac tinh) or (ha tinh)) - anh nang cua dung cong san ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((cac tinh) OR (ha tinh)) - anh nang cua dung cong san ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((cac tinh) or (ha tinh)) - anh nang cua dung cong san ((toan cao) or (toan ban))*.