Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trinh vat » trinh van, trinh luat, sinh vat
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
tranh va » tranh van, trang va, trinh va
toan cau » toan cao, toan ban, toan tap
ha tinh » va tinh, may tinh
o ha » y ha, _ ha

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: o ha tinh - canh ((tranh va) OR (trinh vat)) nhung cong manh toan cau~.
• Adding a wildcard symbol may retrieve word variants: o ha tinh - canh ((tranh va) or (trinh vat)) nhung cong manh toan cau*.