Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hieu van » thien van, lieu va
xa thanh » va thanh, ha thanh, ta thanh
thanh va » thanh van, hanh va, thanh ha
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
huu tre » huu tri, cuu tre, huu them
y nang » ky nang, ly nang, v nang
va huu » vu huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y nang xa hoi. ((hieu ve) or (((hieu van) or (hieu va)))) cam tuc xa thanh va huu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y nang xa hoi. ((hieu ve) OR (((hieu van) OR (hieu va)))) cam tuc xa thanh va huu tre.
• Adding a wildcard symbol may retrieve word variants: thuoc sach y nang xa hoi. ((hieu ve) or (((hieu van) or (hieu va)))) cam tuc xa thanh va huu tre*.