Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh nang » ganh nang, hanh mang, hanh trang
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
anh nang » ganh nang, anh bang, anh dang
cua dung » cua dang, cua dong, qua dung
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chieu sach)) - ((hanh nang) or (anh nang)) cua dung cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - ((hanh nang) OR (anh nang)) cua dung cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - ((hanh nang) or (anh nang)) cua dung cong tinh toan cao*.