Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
tranh cua » doanh cua
manh cua » doanh cua, ban cua
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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: ((hoc thieu) OR (toc thieu)) xanh - canh ((tranh cua) OR (manh cua)) nhung cong san than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (toc thieu)) xanh - canh ((tranh cua) OR (manh cua)) nhung cong san than cau~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) xanh - canh ((tranh cua) OR (manh cua)) nhung cong san than cau*.