I think you'd better ask for the help from the agencies. I've heard that there are some domestic helpers who are available because their bosses are out of town for a few months and ask them to look for short-term jobs. Just try your luck!
Can U afford to hire a Part-timer (倍月). I think U 要can employ a chinese maid to help u and teach your maid for two months or at least one month La!I hired one before and she is good . I saw she place her advertisment in the magazine 妈咪宝宝? (荷花出版) but she charge more expensive than the time I hired her. Her name is "霞姐".