Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh nhan » trinh han, trinh phan, trinh nha
thuc chung » thuc cung, thuc nhung, thung chung
chung cong » nhung cong, chong cong, phung cong
cong thanh » dong thanh, cong trinh, cong tan
hoc chieu » hoc thieu, ho chieu, hoc hien
pho lap » pho cap, phong lap, phan lap

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 - ((trinh nhan) or (tinh toan)) thuc chung cong thanh pho lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((trinh nhan) OR (tinh toan)) thuc chung cong thanh pho lap*.