Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhung cong » dung cong, hang cong, nhung don
tranh cua » doanh cua, manh cua
dang cong » dung cong
cua sinh » hoa sinh, va sinh
tran cap » than cap, tranh chap, tran chau
do cua » doi cua, co cua, de cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: do cua sinh - canh tranh cua ((((nhung cong) OR (thong cong))) OR (dang cong)) tan tran cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "do cua sinh - canh tranh cua ((((nhung cong) OR (thong cong))) or (dang cong)) tan tran cap~".
• Adding a wildcard symbol may retrieve word variants: do cua sinh - canh tranh cua ((((nhung cong) OR (thong cong))) or (dang cong)) tan tran cap*.