Perhaps you should try some spelling variations:
nang cau » nang cao, hang cau, nang dau
doanh va » doan va, doanh tai, doanh cua
cuu tre » cua tre, cau tren, cau treo
ve cham » va cham, ve chat, vu cham
ve cam » ve cac, va cam, ve cai
sai ky » sac ky
va cuu » va cau, va chu, va huu
tu sai » tu bai, tu san, tu cai
lo va » lo van, lao va, le va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang cau hoi. hieu ((ve cam) or (ve cham)) ((lo va) or (ly va)) doanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang cau hoi. hieu ((ve cam) OR (ve cham)) ((lo va) OR (ly va)) doanh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang cau hoi. hieu ((ve cam) or (ve cham)) ((lo va) or (ly va)) doanh va cuu tre*.