Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thanh do » thanh de, thanh pho, thanh hoa
ky lang » ky dang, ky tang, tay lang
van cac » van hac, van cau, van bac
loc va » hoc va
do cua » doi cua, co cua, de cua
su xac » pu xac, su cac
luc va » duc va, tuc va
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 xac ((ky lang) OR (ky nang)) ha noi. hieu van cac ((luc va) or (loc va)) thanh do cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ((ky lang) OR (ky nang)) ha noi. hieu van cac ((luc va) OR (loc va)) thanh do cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su xac ((ky lang) OR (ky nang)) ha noi. hieu van cac ((luc va) or (loc va)) thanh do cua te*".