Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh trang » thanh trung, canh tranh, hanh trinh
hien xanh » hien hanh, chieu xanh, hien khanh
trang cua » tranh cua, tang cua, trung cua
hang cong » dang cong, bang cong, thanh cong
hang nong » thang long, han tong
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

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