Perhaps you should try some spelling variations:
thanh tung » thanh cong
tuan duong » tuyen duong, tuong duong, van duong
duong cong » dung cong, luong cong, duong trong
lieu tinh » diep tinh, bien tinh
tung tuan » trung tuan, hung tuan, quang tuan
cong tac » cong ty
tac khan » tac nhan, cac khoan, tac chuan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: co ((lieu tinh) OR (trieu tinh)) - thanh tung tuan duong cong tac khan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co ((lieu tinh) OR (trieu tinh)) - thanh tung tuan duong cong tac khan cap".
• Adding a wildcard symbol may retrieve word variants: co ((lieu tinh) OR (trieu tinh)) - thanh tung tuan duong cong tac khan cap*.