Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
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
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap
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 - canh tranh cua nhung cong van ((((toan tai) or (toan cao))) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh tranh cua nhung cong van ((((toan tai) OR (toan cao))) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh tranh cua nhung cong van ((((toan tai) or (toan cao))) or (phan tu))*.