Perhaps you should try some spelling variations:
thien van » thi van
va triet » va thiet, va trien, ve triet
van cham » van chat, van tham, va cham
truc va » thuc va, thuc vat, trung va
hanh vu » hanh vi, hanh va, hanh tu
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
tuc va » thuc va, tuc xa, duc va
xuc va » duc va, luc va, xac va
vu va » vu van, tu va, su va

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 ky nang xa hoi. thien van cham ((xuc va) or (((tuc va) OR (truc va)))) hanh vu va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. thien van cham ((xuc va) OR (((tuc va) OR (truc va)))) hanh vu va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. thien van cham ((xuc va) or (((tuc va) OR (truc va)))) hanh vu va triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. thien van cham ((xuc va) or (((tuc va) OR (truc va)))) hanh vu va triet*.