Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
hoc chieu » hoc thieu, ho chieu, hoc hien
nang cong » nang song, bang cong, hang cong
dang cong » dung cong
trang va » tran van, hang va
than cap » khan cap, thanh lap, thanh cac
phan cau » phan dau, phan cac, phan tu

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 trang va ((nang cong) or (dang cong)) dan ((than cap) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trang va ((nang cong) OR (dang cong)) dan ((than cap) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trang va ((nang cong) or (dang cong)) dan ((than cap) or (phan cau))*.