Perhaps you should try some spelling variations:
hanh doi » thanh doi, hanh noi, hang doi
hieu va » lieu va, hieu qua
doi cua » dai cua, hoi cua
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu
sac ky » cac ky, sai ky

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: thuoc ((sac ky) OR (sach ty)) nang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh doi cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc ((sac ky) or (sach ty)) nang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh doi cua tu~".
• Adding a wildcard symbol may retrieve word variants: thuoc ((sac ky) or (sach ty)) nang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh doi cua tu*.