Perhaps you should try some spelling variations:
dinh tri » chinh tri
cao hoa » cao hoat, cao khoa, cau hoa
hieu ve » hieu van
hieu va » lieu va, hieu qua
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
cua te » cua tu
xay y » day y

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat xay y nang cao hoa. ((hieu ve) OR (hieu va)) cam ((xuc va) or (luc va)) dinh tri cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat xay y nang cao hoa. ((hieu ve) OR (hieu va)) cam ((xuc va) OR (luc va)) dinh tri cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat xay y nang cao hoa. ((hieu ve) OR (hieu va)) cam ((xuc va) or (luc va)) dinh tri cua te*".