Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung hoc, trung tam, trung cap
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, phan tu
tung ha » dung ha, tung ho, tang ha

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 - thanh ((tung ha) OR (trung ha)) nhung ((cong ban) or (cong tan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((tung ha) OR (trung ha)) nhung ((cong ban) OR (cong tan)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((tung ha) OR (trung ha)) nhung ((cong ban) or (cong tan)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((tung ha) OR (trung ha)) nhung ((cong ban) or (cong tan)) phan cau*.