Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trang, lanh tranh
thieu xanh » chieu xanh, hieu manh, thien danh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
thien anh » thien danh, tien anh, thien thanh
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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 (thien anh)) - ((hanh tranh) OR (hanh trinh)) cua nhung cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - ((hanh tranh) OR (hanh trinh)) cua nhung cong dan than tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - ((hanh tranh) OR (hanh trinh)) cua nhung cong dan than tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - ((hanh tranh) OR (hanh trinh)) cua nhung cong dan than tap*.