Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
thieu bien » thieu nien, tieu bieu, hien bien
bien cac » vien cac, dien cac, bien ca
cac truc » cau truc, cac tru, cac trung
lanh ky » hanh ky, nganh ky, thanh ky
nang xa » lang xa, mang xa, ang xa
nang ma » tang ma, sang ma, nang cao
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
ca viet » va viet, co viet, hoa viet
vi ca » vit ca, li ca, va ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lanh ky ((((nang xa) OR (nang ma))) or (nang x)) hoi. thieu bien cac truc va hanh vi ca viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ky ((((nang xa) OR (nang ma))) OR (nang x)) hoi. thieu bien cac truc va hanh vi ca viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lanh ky ((((nang xa) OR (nang ma))) or (nang x)) hoi. thieu bien cac truc va hanh vi ca viet".
• Adding a wildcard symbol may retrieve word variants: thuat lanh ky ((((nang xa) OR (nang ma))) or (nang x)) hoi. thieu bien cac truc va hanh vi ca viet*.