Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
nuoc sach » nguoi sach, cuon sach
hoc sach » hoc sinh, hoc cac, hoc anh
va thanh » gia thanh, ban thanh, va tinh
va nang » van nang, da nang, cam nang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc sach) or (((nuoc sach) OR (cuoc cach)))) va nang xa hoi. hieu va cam luc va thanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (((nuoc sach) OR (cuoc cach)))) va nang xa hoi. hieu va cam luc va thanh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc sach) or (((nuoc sach) OR (cuoc cach)))) va nang xa hoi. hieu va cam luc va thanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) or (((nuoc sach) OR (cuoc cach)))) va nang xa hoi. hieu va cam luc va thanh vai cuu tre*.