Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
cam luc » cam xuc, cau luc
hai cua » dai cua, hoi cua, lai cua
luc van » luoc van, luu van, duc van
hieu ve » hieu va
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
su sac » su sach, su cac, su xac

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 lang xa hoi. ((hieu ve) or (hieu van)) cam luc van hanh ((hai cua) OR (thai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. ((hieu ve) OR (hieu van)) cam luc van hanh ((hai cua) OR (thai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky lang xa hoi. ((hieu ve) or (hieu van)) cam luc van hanh ((hai cua) OR (thai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky lang xa hoi. ((hieu ve) or (hieu van)) cam luc van hanh ((hai cua) OR (thai cua)) tre*.