Perhaps you should try some spelling variations:
danh tai » doanh tai, dinh tai, hanh tai
su sach » so sach, vu sach
va cham » va chat, va tham
va danh » va dinh, va dan, va hanh
truc va » thuc va, thuc vat, trung va
ve cham » ve chat, vu cham, ve chim
cuc tre » duc tre, cua tre, cuu tre
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang

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 ((y nang) OR (v nang)) xa hoi. hieu ((ve cham) or (va cham)) truc va danh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (v nang)) xa hoi. hieu ((ve cham) OR (va cham)) truc va danh tai cuc tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) OR (v nang)) xa hoi. hieu ((ve cham) or (va cham)) truc va danh tai cuc tre".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) OR (v nang)) xa hoi. hieu ((ve cham) or (va cham)) truc va danh tai cuc tre*.