Perhaps you should try some spelling variations:
danh van » doanh van, dang van, dinh van
chat luc » chat xuc, chat lua, nhan luc
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
va danh » va dinh, va dan, va hanh
hieu va » lieu va, hieu qua
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
luc va » duc va, tuc va, loc va
cua tu » cua tuc, cua su, cua cu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang xa hoi. ((hieu ve) OR (hieu va)) chat luc va danh van ((cua te) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly nang xa hoi. ((hieu ve) OR (hieu va)) chat luc va danh van ((cua te) or (cua tu))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang xa hoi. ((hieu ve) OR (hieu va)) chat luc va danh van ((cua te) or (cua tu))*.