Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh hang » trinh han, tranh hang, trinh hanh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, 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: ho chieu xanh - trinh hang va nhung cong tan ((phan cau) OR (phan tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - trinh hang va nhung cong tan ((phan cau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - trinh hang va nhung cong tan ((phan cau) OR (phan tu))*.