Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
sach van » sach han, sach va, bach van
nhan luc » nang luc
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
ban xa » ban va, ban ma, ban a
ban da » ban dan, ban dau, ban dac
di cua » dai cua, doi cua, de 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: toc sach van ((ban xa) OR (ban da)) hoi. lieu va ((cham soc) or (nhan luc)) va danh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach van ((ban xa) OR (ban da)) hoi. lieu va ((cham soc) OR (nhan luc)) va danh di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach van ((ban xa) OR (ban da)) hoi. lieu va ((cham soc) or (nhan luc)) va danh di cua te".
• Adding a wildcard symbol may retrieve word variants: toc sach van ((ban xa) OR (ban da)) hoi. lieu va ((cham soc) or (nhan luc)) va danh di cua te*.