Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
su sach » so sach, vu sach
ty nang » ty xang, ty hang, ly nang
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
ve cam » ve cac, va cam, ve cai
xuc va » duc va, tuc va, luc va
kem va » kiem va, kiem van

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 ((ty nang) or (ky nang)) xa hoi. hieu ((ve cam) OR (ve cham)) xuc va hanh kem va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ky nang)) xa hoi. hieu ((ve cam) OR (ve cham)) xuc va hanh kem va trien*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) or (ky nang)) xa hoi. hieu ((ve cam) OR (ve cham)) xuc va hanh kem va trien*".