Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
van hang » van khang, van hoang, van thang
cua chua » sua chua, cua chu, cua nhua
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
tuc van » thuc van, truc van, tuc va
cua cua » ca cua, qua cua, cua cha
y nang » ly nang, v nang, may nang
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ((y nang) OR (ky nang)) xa hoi. hieu ve cam tuc van hang ((cua cua) or (cua chua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ((y nang) OR (ky nang)) xa hoi. hieu ve cam tuc van hang ((cua cua) OR (cua chua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khach ((y nang) OR (ky nang)) xa hoi. hieu ve cam tuc van hang ((cua cua) or (cua chua)) triet".
• Adding a wildcard symbol may retrieve word variants: vu khach ((y nang) OR (ky nang)) xa hoi. hieu ve cam tuc van hang ((cua cua) or (cua chua)) triet*.