Perhaps you should try some spelling variations:
van quang » van quan, tran quang, van tuan
ban hanh » ban hang
su triet » su viet, su tien, ve triet
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
ve cac » va cac, vien cac
vi su » va su, ve su, ki su

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ((van quang) or (anh tuan)) xa hoi. hieu ve cac xuc ban hanh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ((van quang) OR (anh tuan)) xa hoi. hieu ve cac xuc ban hanh vi su triet.
• Adding a wildcard symbol may retrieve word variants: vu bach ((van quang) or (anh tuan)) xa hoi. hieu ve cac xuc ban hanh vi su triet*.