Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
lang van » dang van, tang van, hoang van
lan cac » dan cac, lan dac, gian cac
tuc ban » thuc ban, truc ban, tu ban
cac tuc » cac toc, cac tu, cac tac
thi lan » thi hanh, thi nang, thi lien
van hoi » van hoa, van hoc, van hoe
ky lang » ky nang, ky dang, ky tang
vu cac » va cac, ve cac, vu cao
vi va » vi van, vai va, bi va
vu va » vu van, tu va, su va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu cac) or (tu cac)) ky lang van hoi. thi lan cac tuc ban thanh ((vi va) OR (vu va)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu cac) OR (tu cac)) ky lang van hoi. thi lan cac tuc ban thanh ((vi va) OR (vu va)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu cac) or (tu cac)) ky lang van hoi. thi lan cac tuc ban thanh ((vi va) OR (vu va)) triet".
• Adding a wildcard symbol may retrieve word variants: ((vu cac) or (tu cac)) ky lang van hoi. thi lan cac tuc ban thanh ((vi va) OR (vu va)) triet*.