Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
thong cong » trong cong, tong cong, phong chong
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh va » trinh van, trinh vat, trinh ve
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac

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 - canh trinh va ((thong cong) OR (thong thong)) van than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - canh trinh va ((thong cong) OR (thong thong)) van than cap".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh trinh va ((thong cong) OR (thong thong)) van than cap*.