Perhaps you should try some spelling variations:
ban hang » ngan hang
tu chanh » tu hanh, tu thanh, tu chung
dang xay » dang van, van xay
van hanh » van thanh, ban hanh, van anh
hieu vu » hieu va, hieu ve, hieu su
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
vu cham » va cham, vu kham, tu cham
vi cua » vai cua, di cua
tu can » tu ban, tu cac, thu canh
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu can) or (tu chanh)) ky dang xay hoi. hieu vu cham soc ((van hanh) or (ban hang)) vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu can) OR (tu chanh)) ky dang xay hoi. hieu vu cham soc ((van hanh) OR (ban hang)) vi cua tu.
• Adding a wildcard symbol may retrieve word variants: ((tu can) or (tu chanh)) ky dang xay hoi. hieu vu cham soc ((van hanh) or (ban hang)) vi cua tu*.