Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
di quanh » do quang, bi quang, de quan
va lang » va nang, hoa lang
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
y nang » ky nang, ly nang, v nang
loc va » hoc va, luc va
di qua » di cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y nang x hoi. hieu ((ve cam) OR (ve cac)) loc va lang ((di qua) or (di quanh)) su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang x hoi. hieu ((ve cam) OR (ve cac)) loc va lang ((di qua) OR (di quanh)) su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang x hoi. hieu ((ve cam) OR (ve cac)) loc va lang ((di qua) or (di quanh)) su".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang x hoi. hieu ((ve cam) OR (ve cac)) loc va lang ((di qua) or (di quanh)) su*.