Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
chi xanh » chi anh, chi danh, chi hanh
tang cua » mang cua, hang cua, tang luan
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - hanh ((tranh cua) or (tang cua)) thong cong doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh ((tranh cua) OR (tang cua)) thong cong doan phan tu.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((tranh cua) or (tang cua)) thong cong doan phan tu*.