Perhaps you should try some spelling variations:
dinh dat » dinh ket, dinh van, dinh lam
kho tang » cao tang
tu sach » thu sach, su sach, tu cach
dat cua » dai cua, day cua, mat cua
va dinh » van dinh, va kinh, va tinh
phuc va » phuc vu, thuc va, chuc va
ve khac » vu khac, de khac, se khac
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, ky trong
te sach » toc sach
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: ((tu sach) or (te sach)) ((ky tang) or (kho tang)) xa hoi. hieu ve khac phuc va dinh dat cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ((ky tang) OR (kho tang)) xa hoi. hieu ve khac phuc va dinh dat cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ((ky tang) or (kho tang)) xa hoi. hieu ve khac phuc va dinh dat cua te*.