Perhaps you should try some spelling variations:
sach vuc » sach duoc, sach nuoc, sach truc
vuc nang » cuc nang, vu nang, chuc nang
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
xuc van » duc van, luc van, xuc ban
vi su » va su, ve su, oi su
ki su » ky su

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach vuc nang xa hoi. hieu va cham xuc van hanh ((vi su) OR (ki su)) viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach vuc nang xa hoi. hieu va cham xuc van hanh ((vi su) OR (ki su)) viet".
• Adding a wildcard symbol may retrieve word variants: tu sach vuc nang xa hoi. hieu va cham xuc van hanh ((vi su) OR (ki su)) viet*.