Perhaps you should try some spelling variations:
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
hieu va » hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
va kinh » va tinh, qua kinh
doi cua » dai cua, hoi cua
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va
di cua » dai cua, de cua, do cua

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 y nang ma hoi. ((hieu va) or (lieu va)) cac xuc va kinh ((di cua) or (doi cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoi. ((hieu va) OR (lieu va)) cac xuc va kinh ((di cua) OR (doi cua)) te.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoi. ((hieu va) or (lieu va)) cac xuc va kinh ((di cua) or (doi cua)) te*.