Perhaps you should try some spelling variations:
thuoc sach » hoc sach, thuat sach, thuoc sinh
nuoc sach » nguoi sach, hoc sach, cuoc cach
thu sach » tu sach, thuat sach, thu hoach
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
qua cac » cua cac
cac luc » cau luc, coc luc, cac nuoc
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
dan va » doan va, dan ca, ban va
va cua » va chua, via cua, ca cua

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 (((thuoc sach) OR (nuoc sach)))) y nang xa hoi. hieu qua cac luc va dan va cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (((thuoc sach) OR (nuoc sach)))) y nang xa hoi. hieu qua cac luc va dan va cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (((thuoc sach) OR (nuoc sach)))) y nang xa hoi. hieu qua cac luc va dan va cua viet*".