Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
sach dao » lanh dao
dao nang » cao nang, da nang, dai nang
cham luc » cham soc, cham cuu, chat lua
nhan luc » nang luc
nang xa » nang x, lang xa, nang ma
va dan » ca dan, va dao, va dau
dan di » danh di, dan da, dan de
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 dao nang xa hoi. lieu va ((cham luc) or (nhan luc)) va dan di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach dao nang xa hoi. lieu va ((cham luc) OR (nhan luc)) va dan di cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach dao nang xa hoi. lieu va ((cham luc) or (nhan luc)) va dan di cua te*.