Perhaps you should try some spelling variations:
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
la tren » loai tren, dua tren, dat tren
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
do voi » doi voi, dao voi, do moi
voi la » voi lap, toi la, moi la
x hoi » xa hoi, o hoi, x ho
va do » va dao, va doc, va co

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu cach) OR (tu cac))) OR (su sach)) ky nang x hoi. hieu ve cam xuc va do voi la tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu cach) OR (tu cac))) or (su sach)) ky nang x hoi. hieu ve cam xuc va do voi la tren~".
• Adding a wildcard symbol may retrieve word variants: ((((tu cach) OR (tu cac))) or (su sach)) ky nang x hoi. hieu ve cam xuc va do voi la tren*.