Perhaps you should try some spelling variations:
tri nang » thi nang, tri bang, tri mang
tra nang » thi nang, kha nang, da nang
te cach » ve cach, te sach, tu cach
van cua » vang cua, ban cua, dan cua
anh van » anh va, thanh van, doanh van
van anh » van thanh, tuan anh, van minh
vuc van » duc van, luc van, thuc van
cac vuc » cac nuoc, cac vung, cac cuoc
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: te cach ((tu nano) or (((tri nang) OR (tra nang)))) co hoc. hieu ve cac vuc van anh van cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach ((tu nano) OR (((tri nang) OR (tra nang)))) co hoc. hieu ve cac vuc van anh van cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cach ((tu nano) or (((tri nang) OR (tra nang)))) co hoc. hieu ve cac vuc van anh van cua cau*".