Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
phuong cong » phuong dong, phong cong, phung cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
toc hieu » toc thieu, doc hieu, hoc thieu
cong tac » cong ty
tac pham » thuc pham, san pham
pham tu » phan tu, pham thi, pham tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - ((hanh tinh) or (than kinh)) luan phuong cong tac pham tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - ((hanh tinh) OR (than kinh)) luan phuong cong tac pham tu*.