Perhaps you should try some spelling variations:
phuong cong » phuong dong, phung cong, phuong hoang
hanh trang » thanh trung, canh tranh, hanh trinh
chieu sang » chieu sach, chieu xanh, hieu lang
phong cong » phong chong, thong cong, chong cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
manh toan » thanh toan, anh tuan, tinh toan
trang va » tran van, hang va
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sang)) - hanh trang va ((phuong cong) OR (phong cong)) manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - hanh trang va ((phuong cong) OR (phong cong)) manh toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sang)) - hanh trang va ((phuong cong) OR (phong cong)) manh toan cau*".