Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
thanh cha » thanh ha, thanh nha, thanh phan
tranh va » tranh van, trinh va, thanh va
trang va » tran van, hang va
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - canh ((tranh va) or (trang va)) thong cong san ((thanh cha) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - canh ((tranh va) OR (trang va)) thong cong san ((thanh cha) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh ((tranh va) or (trang va)) thong cong san ((thanh cha) or (phan cau))*.