Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van chat » cao chat
thu nang » thi nang, thu bang, tho nang
van hanh » van thanh, ban hanh, van anh
thu hang » thi hang, thuc hanh, thu huong
hanh va » hang va, hanh vi
xuc van » duc van, luc van, xuc ban
tu sach » thu sach, su sach, te sach
ve chat » va chat
va cua » va chua, via cua, ca 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 sach ((thu nang) or (thu hang)) xa hoi. hieu ((ve chat) or (van chat)) xuc van hanh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((thu nang) OR (thu hang)) xa hoi. hieu ((ve chat) OR (van chat)) xuc van hanh va cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ((thu nang) or (thu hang)) xa hoi. hieu ((ve chat) or (van chat)) xuc van hanh va cua triet*.