Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
thanh da » thanh dat, thanh dam, thanh dan
va thanh » gia thanh, ban thanh, va tinh
cham xuc » cam xuc, chat xuc, pham duc
sach ky » sac ky, sach y, sach ty
su sach » so sach, vu sach
lai roi » lai hoi
loi roi » loi noi, voi roi, loi gioi
ky mang » ky nang, ke mang, ky dang
hieu va » lieu va, hieu qua
da su » dan su, dat su, va su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky mang ((lai roi) OR (loi roi)). hieu va ((cham xuc) or (cham soc)) va thanh da su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky mang ((lai roi) OR (loi roi)). hieu va ((cham xuc) OR (cham soc)) va thanh da su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky mang ((lai roi) OR (loi roi)). hieu va ((cham xuc) or (cham soc)) va thanh da su triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky mang ((lai roi) OR (loi roi)). hieu va ((cham xuc) or (cham soc)) va thanh da su triet*.