Perhaps you should try some spelling variations:
thuc nano » truc nano, thuc hanh, chuc nang
nano khoa » anh khoa, lao khoa, bao khoa
khoa hoc » hoa hoc
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
te cach » te sach, tu cach, te cac
hieu va » lieu va, hieu qua
ve cach » va cach, ve cac, ve canh
cua cau » cua cac, cua chu, cua cay
anh vi » hanh vi, anh va, anh ve

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