Perhaps you should try some spelling variations:
dinh lam » dinh van, tinh lao
dinh lai » dinh lap, dinh tai, dinh hai
te sach » toc sach
cao suc » cao su, cao duc
sach ky » sac ky, sach y, sach ty
hieu va » lieu va
sang xa » song xa, lang xa, sang ma
ky sang » ky nang, ky dang, ky tang
suc va » duc va, tuc va, luc va
cua te » cua tu

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 sang xa hoi. ((hieu va) or (hieu qua)) cao suc va ((dinh lai) OR (dinh lam)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky sang xa hoi. ((hieu va) OR (hieu qua)) cao suc va ((dinh lai) OR (dinh lam)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky sang xa hoi. ((hieu va) or (hieu qua)) cao suc va ((dinh lai) OR (dinh lam)) cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ky sang xa hoi. ((hieu va) or (hieu qua)) cao suc va ((dinh lai) OR (dinh lam)) cua te*.