Perhaps you should try some spelling variations:
dang lap » dan lap, dung lap, sang lap
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
truc va » thuc va, thuc vat, trung va
hieu va » lieu va, hieu qua
hieu ve » hieu van
lap lai » lap tai, lay lai, lam lai
ky dang » ky nang, ky danh
tuc va » thuc va, tuc xa, duc va
vi cua » vai cua, di cua
cua te » cua tu

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 dang lap lai. ((hieu ve) or (hieu va)) cam ((tuc va) or (truc va)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang lap lai. ((hieu ve) OR (hieu va)) cam ((tuc va) OR (truc va)) hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: su sach ky dang lap lai. ((hieu ve) or (hieu va)) cam ((tuc va) or (truc va)) hanh vi cua te*.