Perhaps you should try some spelling variations:
thanh soc » thanh son, nhanh soc, thanh hoc
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
vi cua » vai cua, di cua
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 ky dang xa hoi. hieu va ((thanh soc) or (thanh cong)) va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang xa hoi. hieu va ((thanh soc) OR (thanh cong)) va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ky dang xa hoi. hieu va ((thanh soc) or (thanh cong)) va hanh vi cua te*.