Perhaps you should try some spelling variations:
trinh chuan » trinh han, trinh quan, trinh luan
chuan duong » chuong duong, chuyen duong, tuan duong
hanh trinh » canh tranh, hanh chinh
duong cong » dung cong, luong cong, duong trong
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
tcc thanh » tac thanh, tuc thanh, thuc thanh
thanh cac » hanh cac, thanh bac, thanh ca
cong tcc » cong tac, cong thuc, cong ty

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 trinh chuan duong cong tcc thanh cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (tieu danh)) - hanh trinh chuan duong cong tcc thanh cac".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (tieu danh)) - hanh trinh chuan duong cong tcc thanh cac*.