Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
cam loc » cam lo
dinh va » dinh van, dinh ve, tinh va
sach tu » sach thu, cach tu, sach ty
dang xa » dang xay, lang xa, dang ha
hieu ve » hieu van
va dinh » van dinh, va kinh, va tinh
hieu va » lieu va, hieu qua
va cua » va chua, via cua, ca cua
loc va » hoc va, luc va
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sac ky) or (sach tu)) dang xa hoi. ((hieu ve) or (hieu va)) cam loc va dinh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sach tu)) dang xa hoi. ((hieu ve) OR (hieu va)) cam loc va dinh va cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (sach tu)) dang xa hoi. ((hieu ve) or (hieu va)) cam loc va dinh va cua tre*.