Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh tung » thanh cong
trung cong » truong cong, trong cong, trung uong
cong bang » cuong bang, dong bang, hong bang
he trung » le trung, he thong, do trung
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac
tung he » dung he, tung ho, tang he

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