Perhaps you should try some spelling variations:
than dieu » nhan dieu, han dieu, thuat dieu
tran tri » trang tri, tran thi, trang trai
phuc van » thuc van, phuc va, chuc van
van than » van thanh, van thang, van tuan
cau phuc » cau truc, chau phu, huu phuc
sach ky » sac ky, sach y, sach ty
hieu va » lieu va
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
tra tre » tran tren, tran tro
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky lang xa hoi. ((hieu va) OR (hieu qua)) cau phuc van than dieu ((tra tre) or (tran tri))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. ((hieu va) OR (hieu qua)) cau phuc van than dieu ((tra tre) OR (tran tri))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. ((hieu va) OR (hieu qua)) cau phuc van than dieu ((tra tre) or (tran tri))*".