Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong ngang » cong nhan, cong quang, cong lang
hoc chieu » hoc thieu, ho chieu, hoc hien
cua nhung » va nhung
cong vang » cong lang, cong quang, cong san
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
tuan cau » toan cau, quan cau, tuan cu

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 - anh dung cua nhung ((cong vang) or (cong ngang)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - anh dung cua nhung ((cong vang) OR (cong ngang)) tuan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - anh dung cua nhung ((cong vang) or (cong ngang)) tuan cau*.