Perhaps you should try some spelling variations:
dung anh » dung danh, duong anh, dong anh
cham duc » pham duc, pham duy, phan duc
hanh lam » thanh lap, hanh kem, hanh va
te sach » toc sach
mau hoi » cau hoi, mai hoi, mau ho
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
lam cua » nam cua, lam chat
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 dung anh mau hoi. hieu va ((cham duc) or (cham soc)) va hanh lam cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach dung anh mau hoi. hieu va ((cham duc) OR (cham soc)) va hanh lam cua te.
• Adding a wildcard symbol may retrieve word variants: te sach dung anh mau hoi. hieu va ((cham duc) or (cham soc)) va hanh lam cua te*.