Perhaps you should try some spelling variations:
lang cac » bang cac, hang cac, dang cac
ban hanh » ban hang
cac thoi » cac toi, cac hop, cac tro
toc sach » hoc sach, thuoc sach, nuoc sach
doc sach » hoc sach, nuoc sach, dac sac
ky lang » ky nang, ky dang, ky tang
hieu ve » hieu va, hieu van
xuc ban » duc ban, cuc ban, quoc ban
ve cam » ve cham, ve cac, va cam
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) OR (doc sach)) ky lang cac thoi. hieu ve cam xuc ban hanh ((vi cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (doc sach)) ky lang cac thoi. hieu ve cam xuc ban hanh ((vi cua) OR (di cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (doc sach)) ky lang cac thoi. hieu ve cam xuc ban hanh ((vi cua) or (di cua)) tre*".