Perhaps you should try some spelling variations:
dinh toai » dinh toi, tinh toan, dinh tri
toc sach » hoc sach, doc sach, thuoc sach
dinh tai » dinh tri, dinh thi, hinh tai
danh xa » danh ca, canh xa, dan xa
dinh xa » dinh ba, dinh va, dinh xu
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach ty
cam tuc » cam xuc, cam tu, nam thuc
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
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: toc sach ky ((danh xa) or (dinh xa)) hoi. hieu va cam tuc va ((dinh tai) OR (dinh toai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky ((danh xa) OR (dinh xa)) hoi. hieu va cam tuc va ((dinh tai) OR (dinh toai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky ((danh xa) or (dinh xa)) hoi. hieu va cam tuc va ((dinh tai) OR (dinh toai)) cua te".
• Adding a wildcard symbol may retrieve word variants: toc sach ky ((danh xa) or (dinh xa)) hoi. hieu va cam tuc va ((dinh tai) OR (dinh toai)) cua te*.