Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
cham truc » cau truc, nham thuc, pham thuc
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
dau cua » dai cua, day cua, cau 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: nuoc sach ky nang xa hoi. ((thien van) OR (thi van)) cham truc ((va tinh) or (may tinh)) dau cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ky nang xa hoi. ((thien van) OR (thi van)) cham truc ((va tinh) OR (may tinh)) dau cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc sach ky nang xa hoi. ((thien van) OR (thi van)) cham truc ((va tinh) or (may tinh)) dau cua te".
• Adding a wildcard symbol may retrieve word variants: nuoc sach ky nang xa hoi. ((thien van) OR (thi van)) cham truc ((va tinh) or (may tinh)) dau cua te*.