Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh de » hanh de, thanh ve, thanh do
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
te sai » te tai, te bai, te lai
sai ky » sac ky
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky lang xa hoi. hieu ((ve cam) OR (va cam)) duc van thanh de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky lang xa hoi. hieu ((ve cam) OR (va cam)) duc van thanh de cua tre".
• Adding a wildcard symbol may retrieve word variants: te sai ky lang xa hoi. hieu ((ve cam) OR (va cam)) duc van thanh de cua tre*.