Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
luong thi » luong tai
thi toan » thi tran, thi hoan, thi loan
toan ban » van ban

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

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