Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh han » hanh nhan, hanh phan, hanh san
cong tan » cong tac, cong san, cong ty
phan tap » phan lap, han tap, pha tap
han he » han che, hanh he, dan he

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 han he thong ((cong tan) OR (cong thanh)) phan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh han he thong ((cong tan) OR (cong thanh)) phan tap".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh han he thong ((cong tan) OR (cong thanh)) phan tap*.