Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
cua sinh » hoa sinh, va sinh
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung
toan cao » toan ban, toan tap
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: ho ((((cua sinh) or (va tinh))) or (chinh sach)) - hanh tang cua dung cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((cua sinh) OR (va tinh))) OR (chinh sach)) - hanh tang cua dung cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((((cua sinh) or (va tinh))) or (chinh sach)) - hanh tang cua dung cong tinh toan cao*.