Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
hanh hai » thanh hai, nhanh hai, hang hai
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
cac lo » cac lop, cac co, cac ho
cac bo » bac bo, cac co
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, 5 hoi

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 ky nang ((x hoi) OR (x ho)). chieu chien ((cac lo) OR (cac bo)) va hanh hai cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang ((x hoi) OR (x ho)). chieu chien ((cac lo) OR (cac bo)) va hanh hai cua tu".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang ((x hoi) OR (x ho)). chieu chien ((cac lo) OR (cac bo)) va hanh hai cua tu*.