Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cham luc » cham soc, nhan luc, cham cuu
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va tinh » may tinh
bai cua » ban cua, dai cua, lai cua
hai cua » thai cua, dai cua, hoi cua
luc va » duc va, tuc va, loc va
x hoi » xa hoi, o hoi, x ho

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

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