Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
dinh ve » dinh van
luu tre » luu tru, cuu tre, luy tre
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang ma hoi. hieu van chat xuc va ((dinh ve) or (dinh ket)) luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoi. hieu van chat xuc va ((dinh ve) OR (dinh ket)) luu tre.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoi. hieu van chat xuc va ((dinh ve) or (dinh ket)) luu tre*.