Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu sang » chieu sach, chieu xanh, hieu lang
cua truong » cua trung, xuan truong, cac truong
hanh nhan » thanh nhan, danh nhan, anh nhan
ho chieu » theo chieu, hoc thieu, doi chieu
nhan cua » nhat cua, nhan luc, nhan su
tac toan » tap toan, hach toan, tich toan
tam toan » tap toan, tam than, pham toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - hanh nhan cua truong cong ((tac toan) or (tam toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh nhan cua truong cong ((tac toan) OR (tam toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh nhan cua truong cong ((tac toan) or (tam toan)) cau*.