Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
cong thanh » dong thanh, cong trinh, cong tan
tieu danh » dieu danh, tiep danh, thien danh
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
toan cao » toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu danh - ((hanh tang) OR (hanh mang)) cua tong cong thanh toan cao~".
• Adding a wildcard symbol may retrieve word variants: theo tieu danh - ((hanh tang) OR (hanh mang)) cua tong cong thanh toan cao*.