Perhaps you should try some spelling variations:
ndung cong » nhung cong, dang cong, duong cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
dung cong » dung trong
than nhan » thanh nhan, than phan, chan nhan
nhan cach » phan cac
toan hoc » toan khoa, van hoc, hoa hoc

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 - tinh toan hoc ((dung cong) or (ndung cong)) than nhan cach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - tinh toan hoc ((dung cong) OR (ndung cong)) than nhan cach.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - tinh toan hoc ((dung cong) or (ndung cong)) than nhan cach*.