Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung hoc, trung cap
cong ban » cong bang, cong san, cong tan
ban toan » bai toan, ban than, van toan
toan cao » toan ban, toan tap

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 - manh ((trung ha) or (trung tam)) nhung cong ban toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - manh ((trung ha) OR (trung tam)) nhung cong ban toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - manh ((trung ha) or (trung tam)) nhung cong ban toan cao*.