Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
soc manh » suc manh, ho manh, duc manh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
hanh va » hang va, hanh vi
va chat » van chat, va phat, cao chat
ve chat » van chat
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang x hoi. hieu ((ve chat) or (va chat)) soc manh hanh va ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang x hoi. hieu ((ve chat) OR (va chat)) soc manh hanh va ((cua te) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang x hoi. hieu ((ve chat) or (va chat)) soc manh hanh va ((cua te) OR (cua tu))*".