Perhaps you should try some spelling variations:
canh trang » canh tranh, hanh trang, banh trang
hieu manh » chieu xanh, hieu nganh, hien hanh
lang cong » dang cong, bang cong, hang cong
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) OR (dieu hanh)) - canh trang va lang cong dan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (dieu hanh)) - canh trang va lang cong dan phan cau*".