Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
tinh bai » tinh bac, tinh hai, hinh bai
cham luc » cham soc, nhan luc, cham cuu
sach ky » sac ky, sach y, sach ty
ca truc » cau truc, ca tru, dai truc
va tinh » may tinh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang xa » lang xa, nang ma, mang xa
ba truc » cau truc, ba trung, dai truc
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach ky ((nang xa) or (nang x)) hoi. hieu ve cham luc va tinh bai ((ca truc) OR (ba truc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ky ((nang xa) OR (nang x)) hoi. hieu ve cham luc va tinh bai ((ca truc) OR (ba truc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc sach ky ((nang xa) or (nang x)) hoi. hieu ve cham luc va tinh bai ((ca truc) OR (ba truc))".
• Adding a wildcard symbol may retrieve word variants: nuoc sach ky ((nang xa) or (nang x)) hoi. hieu ve cham luc va tinh bai ((ca truc) OR (ba truc))*.