Perhaps you should try some spelling variations:
su sach » so sach, vu sach
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
nam xuc » cam xuc, nam xua, nam thuc
cua tre » cua te, cuu tre, cua triet
ty nang » ky nang, ty xang, ly nang
ty hang » ly hang, ty xang, thi hang
va nam » van nam, ha nam, va nay
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua
o hoi » co hoi, o hoc, o hai

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 (ty hang)) ((o hoi) or (xa hoi)). lieu va nam xuc va hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ty hang)) ((o hoi) OR (xa hoi)). lieu va nam xuc va hanh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) OR (ty hang)) ((o hoi) or (xa hoi)). lieu va nam xuc va hanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) OR (ty hang)) ((o hoi) or (xa hoi)). lieu va nam xuc va hanh di cua tre*.