Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap
thi lan » thi hanh, thi nang, thi lien
ho thi » hoi thi, hoa thi, do thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thi lan - ((hanh trang) or (hanh trinh)) cua ((hang cong) OR (dang cong)) tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thi lan - ((hanh trang) OR (hanh trinh)) cua ((hang cong) OR (dang cong)) tan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thi lan - ((hanh trang) or (hanh trinh)) cua ((hang cong) OR (dang cong)) tan than cau".
• Adding a wildcard symbol may retrieve word variants: ho thi lan - ((hanh trang) or (hanh trinh)) cua ((hang cong) OR (dang cong)) tan than cau*.