Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
ve cham » va cham, vu cham, ve chim
ve chat » va chat, van chat
truc va » thuc va, thuc vat, trung va
cuc tre » duc tre, cua tre, cuu tre
y nang » ky nang, ly nang, v nang
tuc va » thuc va, tuc xa, duc va

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

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