Perhaps you should try some spelling variations:
thuat sach » thuat lanh
thuat san » thuat toan, thuat song, thuat lanh
hieu van » hieu va, thien van, lieu va
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
duoc va » nuoc va, duc va, duoc ma
van tao » van thao, vang tao, van tai
cua tre » cua te, cuu tre, cua triet
nang xa » lang xa, nang ma, mang xa
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: ((thuat sach) or (thuat san)) ty ((nang xa) OR (nang x)) hoi. hieu van tao duoc va hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (thuat san)) ty ((nang xa) OR (nang x)) hoi. hieu van tao duoc va hanh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat sach) or (thuat san)) ty ((nang xa) OR (nang x)) hoi. hieu van tao duoc va hanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (thuat san)) ty ((nang xa) OR (nang x)) hoi. hieu van tao duoc va hanh di cua tre*.