Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
thien anh » thien danh, tien anh, thien thanh
hanh manh » hanh mang, lanh manh, hoang manh
cua trung » cua truong, xuan trung, cua nhung
manh cua » doanh cua, ban cua
uong dan » huong dan, tuong dan, xuong 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 (hieu manh))) or (thien anh)) - hanh manh cua trung uong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (hieu manh))) OR (thien anh)) - hanh manh cua trung uong dan than tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu xanh) OR (hieu manh))) or (thien anh)) - hanh manh cua trung uong dan than tap*".