Perhaps you should try some spelling variations:
dung danh » dung doanh, dung dan, cuong danh
dung anh » duong anh, dong anh, hung anh
hanh lam » thanh lap, hanh kem, hanh va
cham duc » pham duc, pham duy, phan duc
tu sach » thu sach, su sach, te sach
lam cua » nam cua, lam chat
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
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: tu sach ((dung anh) OR (dung danh)) xa 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: tu sach ((dung anh) OR (dung danh)) xa hoi. hieu va ((cham duc) OR (cham soc)) va hanh lam cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((dung anh) OR (dung danh)) xa hoi. hieu va ((cham duc) or (cham soc)) va hanh lam cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ((dung anh) OR (dung danh)) xa hoi. hieu va ((cham duc) or (cham soc)) va hanh lam cua te*.