Perhaps you should try some spelling variations:
chat triet » chet triet, phat trien, chat thien
ban thanh » ban hanh, ban hang
vu khach » vu khanh, vu khac, vay khach
thanh ve » hanh ve, thanh va, thanh vien
xuc ban » duc ban, cuc ban, quoc ban
ve chat » va chat, van chat
vu sach » vu bach, su sach
xang mo » bang mo, dang mon, lang mot
va cam » va cham, va cac, va cao
mo hoc » mon hoc, co hoc
ve cam » ve cham, ve cac, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (vu khach)) ty xang mo hoc. hieu ((ve cam) or (va cam)) xuc ban thanh ve chat triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu khach)) ty xang mo hoc. hieu ((ve cam) OR (va cam)) xuc ban thanh ve chat triet.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (vu khach)) ty xang mo hoc. hieu ((ve cam) or (va cam)) xuc ban thanh ve chat triet*.