Perhaps you should try some spelling variations:
luan tuong » luan luong, luat thuong, xuan truong
thieu manh » hieu manh, tien manh, trieu minh
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
cong manh » cong danh, duong manh, hoang manh
anh tang » anh bang, anh dang, anh nang
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 manh - ((anh tang) or (hanh mang)) luan tuong ((cong manh) OR (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - ((anh tang) OR (hanh mang)) luan tuong ((cong manh) OR (cong thanh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - ((anh tang) or (hanh mang)) luan tuong ((cong manh) OR (cong thanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - ((anh tang) or (hanh mang)) luan tuong ((cong manh) OR (cong thanh)) toan ban*.