Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cau phuc » cau truc, chau phu, huu phuc
hieu va » lieu va, hieu qua
nang xa » lang xa, nang ma, mang xa
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
hieu ve » hieu van
phuc va » phuc vu, thuc va, chuc va
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y ((nang xa) or (nang x)) hoi. ((hieu ve) or (hieu va)) cau phuc va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y ((nang xa) OR (nang x)) hoi. ((hieu ve) OR (hieu va)) cau phuc va danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach y ((nang xa) or (nang x)) hoi. ((hieu ve) or (hieu va)) cau phuc va danh vi cua te*.