Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
chi xanh » chi anh, chi danh, chi hanh
cong van » cong vang, cong san, song van
tuan thu » toan thuc, van thu
doi chi » doi khi
tuan tu » tran tu, toan tu, than tu

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 nhung cong van ((tuan tu) OR (tuan thu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh tranh cua nhung cong van ((tuan tu) OR (tuan thu))".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh tranh cua nhung cong van ((tuan tu) OR (tuan thu))*.