Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
chieu xanh » chieu sach, chieu sang, chieu tinh
hoac khong » hoa khong, hoc khong, hay khong
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
tinh hoac » tinh hoc, tinh hoa, trinh hoan
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu xanh - hanh tinh hoac khong ((dong thanh) or (truong thanh)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh tinh hoac khong ((dong thanh) OR (truong thanh)) phan cau*.