Perhaps you should try some spelling variations:
su sach » so sach
vu sach » vu bach, vu khach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
van han » van hanh, van phan, van nhan
han tai » hang tai, nhan tai, van tai
va cam » va cham, va cac, va cao
tai va » thai va, mai va, tri va
thiet » thieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) OR (vu sach)) ky nang xa hoi. hieu va cam xuc van han tai va thiet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) ky nang xa hoi. hieu va cam xuc van han tai va thiet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) ky nang xa hoi. hieu va cam xuc van han tai va thiet*.