Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
vai cua » dai cua, hai cua, lai cua
cham lo » cham o, cam lo, cham soc
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
tang ma » tang van
cam ly » tam ly, cam ky, cam lo
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: thuat sach ty ((tang ma) OR (mang may)) hoa. hieu ve ((cham lo) or (cam ly)) van hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ty ((tang ma) OR (mang may)) hoa. hieu ve ((cham lo) OR (cam ly)) van hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ty ((tang ma) OR (mang may)) hoa. hieu ve ((cham lo) or (cam ly)) van hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: thuat sach ty ((tang ma) OR (mang may)) hoa. hieu ve ((cham lo) or (cam ly)) van hanh vai cua te*.