Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
thanh vi » hanh vi, thanh va, nhanh vi
nano cao » nang cao, na2o cao, nano cau
te cach » te sach, tu cach, te cac
luc van » luoc van, luu van, duc van
cac luc » cau luc, coc luc, cac nuoc
cao hoc » co hoc, cho hoc, chat hoc
tu nano » truc nano
ve cach » va cach, ve cac, ve canh
cua cau » cua cac, cua chu, cua cay

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) OR (ve cach)) tu nano cao hoc. lieu va cac luc van ((thanh vi) or (thanh ve)) cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cach) OR (ve cach)) tu nano cao hoc. lieu va cac luc van ((thanh vi) OR (thanh ve)) cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te cach) OR (ve cach)) tu nano cao hoc. lieu va cac luc van ((thanh vi) or (thanh ve)) cua cau*".