Perhaps you should try some spelling variations:
thanh tung » thanh cong
lieu tinh » trieu tinh, diep tinh, bien tinh
tuan cong » thuan cong, tran cong, toan cong
luan cong » luat cong, luong cong, luan chung
thanh cac » hanh cac, thanh bac, thanh ca
dong van » duong van, dang van, dong von
than cap » khan cap, thanh lap, than cua
co lieu » cot lieu, co hieu, so lieu

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 - thanh tung ((tuan cong) OR (luan cong)) dong van ((than cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co lieu tinh - thanh tung ((tuan cong) OR (luan cong)) dong van ((than cap) OR (thanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "co lieu tinh - thanh tung ((tuan cong) OR (luan cong)) dong van ((than cap) or (thanh cac))".
• Adding a wildcard symbol may retrieve word variants: co lieu tinh - thanh tung ((tuan cong) OR (luan cong)) dong van ((than cap) or (thanh cac))*.