Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
trung tuan » trung thanh, trung tam, tran tuan
tuan trong » thuan trong, quan trong, tran trong
hieu lang » hieu quang, nhieu tang, hieu van
cong tac » cong ty
tac khan » tac nhan, cac khoan, tac chuan
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu sang)) - thanh trung tuan trong cong tac khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sang)) - thanh trung tuan trong cong tac khan ap.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sang)) - thanh trung tuan trong cong tac khan ap*.