Perhaps you should try some spelling variations:
te sach » toc sach
va hanh » van hanh, va thanh, va danh
hanh de » hanh ve, hanh kem
y nang » ky nang, ly nang, v nang
ve cau » va cau, ve cac, le cau
ke cau » ket cau
loc va » hoc va, luc va
de cua » le cua, te cua, dieu cua
cua te » cua tu
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: te sach y nang x hoi. hieu ((ve cau) or (ke cau)) loc va hanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu ((ve cau) OR (ke cau)) loc va hanh de cua te.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ((ve cau) or (ke cau)) loc va hanh de cua te*.