Perhaps you should try some spelling variations:
sach dao » lanh dao
dao dang » cao dang, da dang, dao dong
dang xay » dang van, van xay
manh hai » lanh hai, minh hai, thanh hai
tu sach » thu sach, su sach, te sach
chu tre » chu tri, cuu tre, cau tren
va manh » van manh, va danh, va hanh
va cham » va chat, va tham
xay hoi » xa hoi, tay hoi, cay phoi
cho tre » cho thue, khoe tre
xuc va » duc va, tuc va, luc va
ve cai » va cai, ve cac, ve tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach dao dang xay hoi. hieu ((ve cai) or (va cham)) xuc va manh hai ((chu tre) OR (cho tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach dao dang xay hoi. hieu ((ve cai) OR (va cham)) xuc va manh hai ((chu tre) OR (cho tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach dao dang xay hoi. hieu ((ve cai) or (va cham)) xuc va manh hai ((chu tre) OR (cho tre))*".