Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hanh tranh » canh tranh, hanh trinh, lanh tranh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cua sinh » hoa sinh, va sinh
cong tan » cong tac, cong san, cong thanh
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac
o cua » co cua, do cua, bo cua

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

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