Perhaps you should try some spelling variations:
tri nang » thi nang, tri bang, tri mang
nuoc van » nuoc va, nuoc san, luoc van
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
tra nang » thi nang, kha nang, da nang
ve cach » va cach, ve canh
van cua » vang cua, ban cua, dan cua
anh van » anh va, thanh van, doanh van
van anh » van thanh, tuan anh, van minh
hieu ve » hieu va, hieu van
tu nano » truc nano
cua cau » cua cac, cua chu, cua cay
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ve cach ((tu nano) or (((tri nang) or (tra nang)))) co hoc. hieu ve cac nuoc van anh van cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ve cach ((tu nano) OR (((tri nang) OR (tra nang)))) co hoc. hieu ve cac nuoc van anh van cua cau*.