Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
va hanh » va thanh, va danh, ban hanh
sach v » sach va, sach 2, sach vay
vi cua » vai cua, di cua
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach v) OR (sach y)) nang xa hoi. lieu va cham duc ((va hanh) OR (van hanh)) vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach v) or (sach y)) nang xa hoi. lieu va cham duc ((va hanh) OR (van hanh)) vi cua te~".
• Adding a wildcard symbol may retrieve word variants: te ((sach v) or (sach y)) nang xa hoi. lieu va cham duc ((va hanh) OR (van hanh)) vi cua te*.