Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
su sach » so sach, vu sach
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua

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 san)) ky nang xa hoi. ((hieu ve) or (hieu va)) cam xuc va hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thuat san)) ky nang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thuat san)) ky nang xa hoi. ((hieu ve) or (hieu va)) cam xuc va hanh di cua tre*.