Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
tuan hang » tuan hoang, tuan bang, tuan hung
tuan dang » tran dang, tuan bang, tuan dung
cong tac » cong ty
tac tan » tac can, tac van, tat tan
tan ban » toan ban, tang ban, van ban

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)) - hanh trung ((tuan hang) OR (tuan dang)) cong tac tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - hanh trung ((tuan hang) OR (tuan dang)) cong tac tan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sang)) - hanh trung ((tuan hang) OR (tuan dang)) cong tac tan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - hanh trung ((tuan hang) OR (tuan dang)) cong tac tan ban*.