Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
manh toan » thanh toan, anh tuan, tinh toan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - ((hanh trang) OR (hanh trinh)) va nhung cong ((dan chan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((hanh trang) OR (hanh trinh)) va nhung cong ((dan chan) OR (manh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - ((hanh trang) OR (hanh trinh)) va nhung cong ((dan chan) or (manh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((hanh trang) OR (hanh trinh)) va nhung cong ((dan chan) or (manh toan)) cau*.