Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
nhan luc » nang luc
cham luc » cham soc, cham cuu, chat lua
bai cua » ban cua, dai cua, bai ca
bac cua » ban cua, tac cua, bao cua
va tinh » may tinh
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ky nang xa hoi. hieu ve ((cham luc) or (nhan luc)) va tinh ((bac cua) OR (bai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ky nang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va tinh ((bac cua) OR (bai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang xa hoi. hieu ve ((cham luc) or (nhan luc)) va tinh ((bac cua) OR (bai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang xa hoi. hieu ve ((cham luc) or (nhan luc)) va tinh ((bac cua) OR (bai cua)) tre*.