Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va
vi cuu » vi luu, vinh cuu

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

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