Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thanh vai » thanh hai, thanh van, thanh tai
thu sach » tu sach, thuoc sach, thu hoach
va thanh » gia thanh, ban thanh, va tinh
hieu va » lieu va, hieu qua
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
xuc va » duc va, tuc va, luc va

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

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