Perhaps you should try some spelling variations:
sinh ty » sinh ly, sinh y, sinh tu
nano xa » nano va, nano bac, nano cau
dinh vi » dinh ve, dinh viet, dinh tri
ty nano » tu nano, day nano, tao nano
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, xac va
ve cam » ve cham, ve cac, ve cai
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh ty nano xa hoi. hieu ((ve cam) or (va cam)) ((xuc va) OR (luc va)) dinh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh ty nano xa hoi. hieu ((ve cam) OR (va cam)) ((xuc va) OR (luc va)) dinh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sinh ty nano xa hoi. hieu ((ve cam) or (va cam)) ((xuc va) OR (luc va)) dinh vi cua te".
• Adding a wildcard symbol may retrieve word variants: hoc sinh ty nano xa hoi. hieu ((ve cam) or (va cam)) ((xuc va) OR (luc va)) dinh vi cua te*.