Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
luat trong » suat trong, thuat trong, luat thuong
hanh mang » nhanh mang, nhanh lang, thanh hang
doc hieu » hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: ((doc hieu) or (toc thieu)) manh - ((hanh mang) OR (hanh trang)) luat trong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) manh - ((hanh mang) OR (hanh trang)) luat trong cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (toc thieu)) manh - ((hanh mang) OR (hanh trang)) luat trong cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (toc thieu)) manh - ((hanh mang) OR (hanh trang)) luat trong cong dan toan cau*.