Perhaps you should try some spelling variations:
te sach » toc sach
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
ke cau » ket cau
y nang » ky nang, ly nang, v nang
ve cau » va cau, ve cac, le cau
te cua » tue cua, le cua, de cua
cua te » cua tu

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 ho. hieu ((ve cau) or (ke cau)) loc ((va hanh) OR (va danh)) te cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x ho. hieu ((ve cau) OR (ke cau)) loc ((va hanh) OR (va danh)) te cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang x ho. hieu ((ve cau) or (ke cau)) loc ((va hanh) OR (va danh)) te cua te".
• Adding a wildcard symbol may retrieve word variants: te sach y nang x ho. hieu ((ve cau) or (ke cau)) loc ((va hanh) OR (va danh)) te cua te*.