Perhaps you should try some spelling variations:
te sach » toc sach
ty nang » ky nang, ty xang, ty hang
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
di cua » dai cua, doi cua, de cua
luc va » duc va, tuc va, loc va
cua te » cua tu
ke cau » ket cau
ve cac » va cac, vien cac
nang o » nang co, nang ho, nang ro
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: te sach ty nang o hoi. hieu ((ve cac) or (ke cau)) luc va hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang o hoi. hieu ((ve cac) OR (ke cau)) luc va hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang o hoi. hieu ((ve cac) or (ke cau)) luc va hanh di cua te*.