Perhaps you should try some spelling variations:
nano bac » tao bac, bang bac, dan bac
van dinh » van minh, van dich, xuan dinh
sinh ty » sinh ly, sinh y, sinh tu
va dinh » va kinh, va tinh, vu dinh
nano xa » nano va, nano cau, nano dua
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, va cam
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) OR (nano bac)) hoi. hieu ve cam luc ((va dinh) or (van dinh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh ty ((nano xa) OR (nano bac)) hoi. hieu ve cam luc ((va dinh) OR (van dinh)) vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sinh ty ((nano xa) OR (nano bac)) hoi. hieu ve cam luc ((va dinh) or (van dinh)) vi cua te".
• Adding a wildcard symbol may retrieve word variants: hoc sinh ty ((nano xa) OR (nano bac)) hoi. hieu ve cam luc ((va dinh) or (van dinh)) vi cua te*.