Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thu sach » tu sach, thuoc sach, thu hoach
cham luc » cham soc, nhan luc, cham cuu
cau tren » cu tren, dau tren, ca tren
va cham » va chat, va tham
lv nang » ly nang
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
v nang » va nang, vu nang, van nang
luc va » duc va, tuc va, loc va
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) OR (thuat sach)) ((v nang) or (lv nang)) xa hoi. lieu va cham luc va hanh va cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) ((v nang) OR (lv nang)) xa hoi. lieu va cham luc va hanh va cau tren*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuat sach)) ((v nang) or (lv nang)) xa hoi. lieu va cham luc va hanh va cau tren*".