Perhaps you should try some spelling variations:
su sach » so sach, vu sach
ty nang » ty xang, ty hang, ly nang
hieu ve » hieu va, hieu van
va tinh » may tinh
cuu tre » cua tre, cau tren, cau treo
ve cho » ve co, ve che, de cho
cho xu » chao xu, choi xu, cho xa
va cuu » va cau, va chu, va huu
x hoi » xa hoi, o hoi, x ho

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 ((ty nang) OR (ky nang)) x hoi. hieu ve cho xu ((va tinh) or (van dich)) va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ky nang)) x hoi. hieu ve cho xu ((va tinh) OR (van dich)) va cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) OR (ky nang)) x hoi. hieu ve cho xu ((va tinh) or (van dich)) va cuu tre*".