Perhaps you should try some spelling variations:
hanh tranh » hanh trang, lanh tranh, nhanh thanh
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cua sinh » hoa sinh, va sinh
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh 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 (canh tranh))) or (hanh trinh)) cua nhung cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: o cua sinh - ((((hanh tranh) OR (canh tranh))) OR (hanh trinh)) cua nhung cong san than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "o cua sinh - ((((hanh tranh) OR (canh tranh))) or (hanh trinh)) cua nhung cong san than cap".
• Adding a wildcard symbol may retrieve word variants: o cua sinh - ((((hanh tranh) OR (canh tranh))) or (hanh trinh)) cua nhung cong san than cap*.