Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cua cua » cua chua, qua cua, cua cha
ve cam » ve cham, ve cac, va cam
luc va » tuc va, loc va
ca cua » co cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang xa hoi. hieu ve cam ((luc va) or (duc va)) hang ((cua cua) OR (ca cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang xa hoi. hieu ve cam ((luc va) OR (duc va)) hang ((cua cua) OR (ca cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang xa hoi. hieu ve cam ((luc va) or (duc va)) hang ((cua cua) OR (ca cua)) triet*".