Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
thu sac » thu sach, thu san, thu xac
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
van han » van hanh, van phan, van nhan
thai va » thai van
sac ky » cac ky, sai ky
va han » va phan, va hang, va chan
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: thu sac ky nang xa hoi. hieu va cham xuc ((((va han) OR (va hanh))) or (van han)) thai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang xa hoi. hieu va cham xuc ((((va han) OR (va hanh))) OR (van han)) thai va thiet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sac ky nang xa hoi. hieu va cham xuc ((((va han) OR (va hanh))) or (van han)) thai va thiet*".