Perhaps you should try some spelling variations:
dang xay » dang van, van xay
cham duc » pham duc, cham soc, pham duy
van hanh » van thanh, ban hanh, van anh
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
va cham » va chat, va tham
duc van » duc va, duc tan, duc manh
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
di cua » doi cua, de cua, do cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky dang xay hoi. lieu va cham duc van hanh ((di cua) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky dang xay hoi. lieu va cham duc van hanh ((di cua) OR (dai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: tu san ky dang xay hoi. lieu va cham duc van hanh ((di cua) or (dai cua)) triet*.