Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh thanh » nhanh thanh, thanh thanh, khanh thanh
cong ngang » cong nhan, cong quang, cong lang
cong luong » cong thuong, nang luong, cong dong
hoc chieu » hoc thieu, ho chieu, hoc hien
thanh tu » hanh tu, nhanh tu, thanh tung
toan cau » toan cao, toan ban, toan tap
tu dung » tuc dung, tu duong, su dung

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 - hanh thanh tu dung ((cong ngang) or (cong luong)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh thanh tu dung ((cong ngang) OR (cong luong)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh thanh tu dung ((cong ngang) or (cong luong)) toan cau*.