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

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 (su sach)) ky nang x hoi. hieu ve cam xuc va do vi ((la tren) OR (dat tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (su sach)) ky nang x hoi. hieu ve cam xuc va do vi ((la tren) OR (dat tren))~".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) ky nang x hoi. hieu ve cam xuc va do vi ((la tren) OR (dat tren))*.