Perhaps you should try some spelling variations:
su sach » so sach
vu sach » vu bach, vu khach
lo nang » ho nang, ly nang, loai nang
nang xa » nang x, lang xa, nang ma
cau duc » cao duc, cau luc, chu duc
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
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: ((su sach) or (vu sach)) lo nang xa hoi. ((lieu nano) or (lieu va)) cau duc va danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) lo nang xa hoi. ((lieu nano) OR (lieu va)) cau duc va danh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) lo nang xa hoi. ((lieu nano) or (lieu va)) cau duc va danh vi cua tre*.