Perhaps you should try some spelling variations:
thanh trinh » hanh trinh, thanh tinh, thanh binh
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
trinh vat » trinh van, trinh luat, sinh vat
bang cong » dang cong, bang song, hang cong
vat bang » mat bang, va bang, van bang
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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) OR (chieu sang)) - thanh trinh vat bang cong tan tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sang)) - thanh trinh vat bang cong tan tran cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sang)) - thanh trinh vat bang cong tan tran cau*.