Perhaps you should try some spelling variations:
ban hanh » ban hang
te sach » toc sach
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va, hieu van
cac xuc » cac nuoc, chat xuc, cac cuoc
doi cua » dai cua, hoi cua
y nang » ky nang, ly nang, v nang
di cua » dai cua, de cua, do cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang cao hoi. hieu ve ((cac xuc) or (cam xuc)) ban hanh ((di cua) or (doi cua)) cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang cao hoi. hieu ve ((cac xuc) OR (cam xuc)) ban hanh ((di cua) OR (doi cua)) cu.
• Adding a wildcard symbol may retrieve word variants: te sach y nang cao hoi. hieu ve ((cac xuc) or (cam xuc)) ban hanh ((di cua) or (doi cua)) cu*.