Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
thu san » thuy san, thu ban, phu san
xuc van » duc van, luc van, vuc van
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
ky dang » ky nang, ky danh
ky tang » ky nang, kho tang, ky trong
ve cua » le cua, te cua, ve cum
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu san ((ky tang) or (ky dang)) ha noi. hieu vu cham xuc van hanh ((ve cua) OR (de cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu san ((ky tang) OR (ky dang)) ha noi. hieu vu cham xuc van hanh ((ve cua) OR (de cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu san ((ky tang) or (ky dang)) ha noi. hieu vu cham xuc van hanh ((ve cua) OR (de cua)) tre".
• Adding a wildcard symbol may retrieve word variants: thu san ((ky tang) or (ky dang)) ha noi. hieu vu cham xuc van hanh ((ve cua) OR (de cua)) tre*.