Perhaps you should try some spelling variations:
su sach » so sach
truc va » thuc va, thuc vat, trung va
hieu va » lieu va, hieu qua
luu tre » luu tru, cuu tre, luy tre
vu sach » vu bach, vu khach
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
tuc va » thuc va, tuc xa, duc va
vi luu » vi lua
va cam » va cham, va cac, va cao

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) or (vu sach)) y nang xa hoi. hieu va cam ((tuc va) or (truc va)) hanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) y nang xa hoi. hieu va cam ((tuc va) OR (truc va)) hanh vi luu tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) y nang xa hoi. hieu va cam ((tuc va) or (truc va)) hanh vi luu tre*.