Perhaps you should try some spelling variations:
thuat sach » thuat san
thuat lanh » thuat lap, thuat san
thao duoc » tao duoc, thao duong, thuat duoc
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va thao » van thao, va khao, va tham
duoc va » nuoc va, duc va, duoc ma
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat sach) or (thuat lanh)) ty nang xa hoi. lieu va thao duoc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (thuat lanh)) ty nang xa hoi. lieu va thao duoc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (thuat lanh)) ty nang xa hoi. lieu va thao duoc va hanh vi cua tre*.