Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung cong » dung cong, thong cong, hang cong
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
chi xanh » chi anh, chi danh, chi hanh
phan dau » phan tu, hang dau
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 - hanh tinh quang ((nhung phuong) or (nhung cong)) dan ((phan dau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh tinh quang ((nhung phuong) OR (nhung cong)) dan ((phan dau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh tinh quang ((nhung phuong) or (nhung cong)) dan ((phan dau) or (toan cao))*.