Perhaps you should try some spelling variations:
cau phuc » chau phu, huu phuc, van phuc
sach tay » xach tay, sach hay, sach nay
vu sach » vu bach, su sach, vu khach
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
lang ha » long ha
lang xa » dang xay, lang van
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: vu sach tay ((lang xa) OR (lang ha)) hoi. hieu ve ((cau phuc) or (cau truc)) va danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach tay ((lang xa) OR (lang ha)) hoi. hieu ve ((cau phuc) OR (cau truc)) va danh vi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach tay ((lang xa) OR (lang ha)) hoi. hieu ve ((cau phuc) or (cau truc)) va danh vi cua tre*".