Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
trung cua » truong cua, trung cap, dung cua
tong cong » trong cong, cong cong, dung cong
cong khac » cong khan, cong khanh, cong tac
trai chan » tran chau, tra chat, tri chat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu xanh) OR (tieu danh)) - hanh ((trung cua) or (trung tuan)) tong cong khac trai chan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (tieu danh)) - hanh ((trung cua) OR (trung tuan)) tong cong khac trai chan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (tieu danh)) - hanh ((trung cua) or (trung tuan)) tong cong khac trai chan".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (tieu danh)) - hanh ((trung cua) or (trung tuan)) tong cong khac trai chan*.