Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
va triet » va thiet, va trien, ve triet
van hang » van khang, van hoang, van thang
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
tuc van » thuc van, truc van, tuc va
hang di » hang doi, hang vi, hang dien
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
ve cam » ve cac, va cam, ve cai

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 xa hoi. hieu ((ve cam) or (ve cham)) tuc van hang di ((cua triet) OR (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ((ve cam) OR (ve cham)) tuc van hang di ((cua triet) OR (va triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ((ve cam) or (ve cham)) tuc van hang di ((cua triet) OR (va triet))*".