Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
tham luc » than luc, tham nuoc, tham thuc
cau tren » cu tren, dau tren, ca tren
lang xa » lang ha, dang xay, lang van
sang ma » tang ma, nang ma, sang tao
va tham » van tham, va cham, va thanh
nang xa » nang x, nang ma, mang xa
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
luc va » duc va, tuc va, loc va
va cau » van cau, va cac, va dau

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 (lang xa))) or (sang ma)) hoi. lieu va tham luc va hanh va cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y ((((nang xa) OR (lang xa))) OR (sang ma)) hoi. lieu va tham luc va hanh va cau tren*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y ((((nang xa) OR (lang xa))) or (sang ma)) hoi. lieu va tham luc va hanh va cau tren*".