Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
nang van » dang van, tang van, lang van
thanh di » thanh doi, thanh do, thanh dinh
cua tre » cua te, cuu tre, cua triet
tuc ban » thuc ban, truc ban, tu ban
cac tuc » cac toc, cac tu, cac tac
lan cac » dan cac, lan dac, gian cac
thi lan » thi hanh, thi nang, thi lien
van hoi » van hoa, van hoc, van hoe
vu cac » tu cac, ve cac, vu cao

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 (va cac)) ky nang van hoi. thi lan cac tuc ban ((thanh di) OR (thanh de)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu cac) OR (va cac)) ky nang van hoi. thi lan cac tuc ban ((thanh di) OR (thanh de)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu cac) or (va cac)) ky nang van hoi. thi lan cac tuc ban ((thanh di) OR (thanh de)) cua tre".
• Adding a wildcard symbol may retrieve word variants: ((vu cac) or (va cac)) ky nang van hoi. thi lan cac tuc ban ((thanh di) OR (thanh de)) cua tre*.