Perhaps you should try some spelling variations:
danh doi » danh di, thanh doi, dung doi
cam luc » cam xuc, cau luc
ky sang » ky nang, ky dang, ky tang
lap hai » lap lai, lap hoat, lanh hai
doi cua » dai cua, hoi cua
hieu ve » hieu van
va danh » va dinh, va dan, va hanh
hieu va » lieu va, hieu qua
su sac » su sach, su cac, su xac
luc va » duc va, tuc va, loc 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.

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky sang ((lap hai) or (lap tai)). ((hieu ve) or (hieu va)) cam luc va danh doi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky sang ((lap hai) OR (lap tai)). ((hieu ve) OR (hieu va)) cam luc va danh doi cua tu.
• Adding a wildcard symbol may retrieve word variants: su sac ky sang ((lap hai) or (lap tai)). ((hieu ve) or (hieu va)) cam luc va danh doi cua tu*.