Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
cua tre » cua te, cua triet, dua tren
danh ca » dan ca, doanh cua, danh cho
cuu tre » cau tren, cau treo
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
xuc va » duc va, luc va, xac va
y nang » ky nang, ly nang, v nang
tuc va » thuc va, truc va, tuc xa

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 va cac ((xuc va) or (tuc va)) danh ca ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu va cac ((xuc va) OR (tuc va)) danh ca ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu va cac ((xuc va) or (tuc va)) danh ca ((cua tre) or (cuu tre))*.