Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
duong cong » dung cong, luong cong, duong trong
hanh tang » anh tang, hanh mang, hanh tung
cua duong » cua dong, cua huong, qua duong
cong tinh » cong trinh, cong vinh, long tinh
chu manh » chu han, chu van, thu minh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu manh) or (ho manh)) - ((hanh tang) or (hanh trang)) cua duong cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR (ho manh)) - ((hanh tang) OR (hanh trang)) cua duong cong tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chu manh) or (ho manh)) - ((hanh tang) or (hanh trang)) cua duong cong tinh toan ban*.