Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
manh tuong » manh tung, manh cuong, minh tuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tuong cao » truong cao, luong cao, duong cao
hang song » nang song, hang nong, bang song
cao hang » cao dang, cao tang, cao bang
song van » hoang van, trong van, duong van
tuan ban » tuan bang, toan ban, quang ban
luan ban » luan van, luan san, luan han

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) or (hieu manh)) - manh tuong cao hang song van ((tuan ban) OR (luan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (hieu manh)) - manh tuong cao hang song van ((tuan ban) OR (luan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) or (hieu manh)) - manh tuong cao hang song van ((tuan ban) OR (luan ban))*".